Pearson eText for Calculus & Its Applications -- Instant Access (Pearson+)
14th Edition
ISBN: 9780137400096
Author: Larry Goldstein, David Lay
Publisher: PEARSON+
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Chapter 6.4, Problem 50E
To determine
The intersection point and the area of the region bounded by these curves
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Q2: Find the interval and radius of convergence for the following series:
Σ
n=1
(-1)η-1
xn
n
8. Evaluate arctan x dx
a) xartanx
2
2
In(1 + x²) + C b) xartanx + 1½-3ln(1 + x²) + C c) xartanx + In(1 + x²) + C d)
(arctanx)²
+ C
2
9) Evaluate Inx³ dx
3
a) +C b) ln x² + C c)¾½ (lnx)² d) 3x(lnx − 1) + C
-
x
10) Determine which integral is obtained when the substitution x =
So¹² √1 - x²dx
sine is made in the integral
πT
π
π
a) √ sin cos e de b) √ cos² de c) c
Ꮎ Ꮎ
cos² 0 de c)
cos e de d) for cos² e de
πT
11. Evaluate tan³xdx
1
a) b) c) [1 - In 2]
2
2
c) [1 − In2] d)½½[1+ In 2]
12. Evaluate ſ
√9-x2
-dx.
x2
a) C
9-x2
√9-x2
-
x2
b) C -
x
x
arcsin ½-½ c) C + √9 - x² + arcsin x d) C +
√9-x2
x2
13. Find the indefinite integral S
cos³30
√sin 30
dᎾ .
2√√sin 30 (5+sin²30)
√sin 30 (3+sin²30)
a) C+
√sin 30(5-sin²30)
b) C +
c) C +
5
5
5
10
d) C +
2√√sin 30 (3-sin²30)
2√√sin 30 (5-sin²30)
e) C +
5
15
14. Find the indefinite integral ( sin³ 4xcos 44xdx.
a) C+
(7-5cos24x)cos54x
b) C
(7-5cos24x)cos54x
(7-5cos24x)cos54x
-
140
c) C -
120
140
d) C+
(7-5cos24x)cos54x
e) C
(7-5cos24x)cos54x
4
4
15. Find the indefinite integral S
2x2
dx.
ex
-
a) C+ (x²+2x+2)ex b) C (x² + 2x + 2)e-*
d) C2(x²+2x+2)e¯* e) C + 2(x² + 2x + 2)e¯*
-
c) C2x(x²+2x+2)e¯*
Chapter 6 Solutions
Pearson eText for Calculus & Its Applications -- Instant Access (Pearson+)
Ch. 6.1 - Determine the following: a. t7/2dt b....Ch. 6.1 - Find a function f(t) that satisfies f(t)=3t+5 and...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Find all antiderivatives of each following...Ch. 6.1 - Determine the following: 4x3dxCh. 6.1 - Determine the following: 13xdx
Ch. 6.1 - Determine the following: 7dxCh. 6.1 - Determine the following: k2dx ((kisaconstant).Ch. 6.1 - Determine the following: xcdx(cisaconstant0)...Ch. 6.1 - Determine the following: xx2dx.Ch. 6.1 - Determine the following: (2x+x2)dx.Ch. 6.1 - Determine the following: 17xdx.Ch. 6.1 - Determine the following: xxdx.Ch. 6.1 - Determine the following: (2x+2x)dx.Ch. 6.1 - Determine the following: (x2x2+13x)dx.Ch. 6.1 - Determine the following: (72x3x3)dx.Ch. 6.1 - Determine the following: 3e2xdx.Ch. 6.1 - Determine the following: exdx.Ch. 6.1 - Determine the following: edx.Ch. 6.1 - Determine the following: 72e2xdx.Ch. 6.1 - Determine the following: 2(e2x+1)dx.Ch. 6.1 - Determine the following: (3ex+2xe0.5x2)dx.Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - In Exercises 25-36, find the value of k that makes...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(t) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Find all functions f(x) that satisfy the given...Ch. 6.1 - Figure 4 shows the graphs of several functions...Ch. 6.1 - Figure 5 shows the graphs of several functions...Ch. 6.1 - Which of the following is lnxdx ? a.1x+C b.xlnxx+C...Ch. 6.1 - Which of the following is xx+1dx?...Ch. 6.1 - Figure 6 contains the graph of a function F(x). On...Ch. 6.1 - Figure 7 contains an antiderivative of the...Ch. 6.1 - The function g(x) in Fig. 8, resulted from...Ch. 6.1 - The function g(x) in Fig.9 resulted from shifting...Ch. 6.1 - Height of a Ball A ball is thrown upward from a...Ch. 6.1 - Free Fall A rock is dropped from the top of a...Ch. 6.1 - Rate of Production Let P(t) be the total output of...Ch. 6.1 - Rate of Production After t hours of operation, a...Ch. 6.1 - Heat DiffusionA package of frozen strawberries is...Ch. 6.1 - Epidemic A flu epidemic hits a town. Let P(t) be...Ch. 6.1 - Profit A small tie shop finds that at a sales...Ch. 6.1 - Prob. 62ECh. 6.1 - Prob. 63ECh. 6.1 - U.S. Natural Gas Production Since 1987, the rate...Ch. 6.1 - Prob. 65ECh. 6.1 - Prob. 66ECh. 6.1 - Prob. 67ECh. 6.1 - Prob. 68ECh. 6.2 - Evaluate 01e2x1exdx.Ch. 6.2 - If f(t)=1t, find f(2)f(0).Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - In Exercises 114, evaluate the given integral....Ch. 6.2 - Given 01f(x)dx=3.5 and 14f(x)dx=5, find 04f(x)dx.Ch. 6.2 - Given 11f(x)dx=0 and 110f(x)dx=4, find 110f(x)dx.Ch. 6.2 - Given 13f(x)dx=3 and 13g(x)dx=1, find...Ch. 6.2 - Given 0.53f(x)dx=0 and 0.53(2g(x)+f(x))dx=4, find...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 1922, combine the integrals into one...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - In Exercises 2326, use formula (8) to help you...Ch. 6.2 - Refer to Fig. 4 and evaluate 02f(x)dx. Figure 4Ch. 6.2 - Refer to Fig. 5 and evaluate 03f(x)dx. Figure 5Ch. 6.2 - Refer to Fig. 6 and evaluate 11f(t)dt. Figure 6Ch. 6.2 - Refer to Fig. 7 and evaluate 12f(t)dt. Figure 7Ch. 6.2 - Net Change in Position A rock is dropped from the...Ch. 6.2 - Net change in Position The velocity at time t...Ch. 6.2 - Net Change in Position The velocity at time t...Ch. 6.2 - Velocity of a Skydiver The velocity of a skydiver...Ch. 6.2 - Net Change in Cost A companys marginal cost...Ch. 6.2 - Prob. 36ECh. 6.2 - Net Increase of an Investment An investment grew...Ch. 6.2 - Depreciation of Real Estate A property with an...Ch. 6.2 - Population Model with Emigration The rate of...Ch. 6.2 - Paying Down a Mortgage You took a 200,000 home...Ch. 6.2 - Mortgage Using the data from the previous...Ch. 6.2 - Radioactive Decay A sample of radioactive material...Ch. 6.2 - Prob. 43ECh. 6.2 - Level of Water in a Tank A conical-shaped tank is...Ch. 6.3 - Repeat Example 6 using midpoints of the...Ch. 6.3 - Repeat Example 6 using left endpoints of the...Ch. 6.3 - In exercises 16, compute the area of the shaded...Ch. 6.3 - In exercises 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercise 16, compute the area of the shaded...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - In exercises 712, set-up the definite integral...Ch. 6.3 - Prob. 12ECh. 6.3 - Prob. 13ECh. 6.3 - Prob. 14ECh. 6.3 - Prob. 15ECh. 6.3 - In Exercises 1618, draw the region whose area is...Ch. 6.3 - In Exercises 1618, draw the region whose area is...Ch. 6.3 - In Exercises 1618, draw the region whose area is...Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Find the area under each of the given curves....Ch. 6.3 - Prob. 25ECh. 6.3 - Find the real number b0 so that the area under the...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - Determine x and the midpoints of the subintervals...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3136, use a Riemann sum to...Ch. 6.3 - In Exercises 3740, use a Riemann sum to...Ch. 6.3 - In Exercises 3740, use a Riemann sum to...Ch. 6.3 - In Exercises 3740, use a Riemann sum to...Ch. 6.3 - Prob. 40ECh. 6.3 - Use a Riemann sum with n=4 and left endpoints to...Ch. 6.3 - Prob. 42ECh. 6.3 - The graph of the function f(x)=1x2 on the interval...Ch. 6.3 - Use a Riemann sum with n=5 and midpoints to...Ch. 6.3 - Estimate the area (in square feet) of the...Ch. 6.3 - Prob. 46ECh. 6.3 - Prob. 47ECh. 6.3 - Prob. 48ECh. 6.3 - Technology Exercises. The area under the graph of...Ch. 6.3 - Prob. 50ECh. 6.3 - Prob. 51ECh. 6.3 - Prob. 52ECh. 6.4 - Find the area between the curves y=x+3 and...Ch. 6.4 - A company plans to increase its production from 10...Ch. 6.4 - Write a definite integral or sum of definite...Ch. 6.4 - Write a definite integral or sum of definite...Ch. 6.4 - Shade the portion of Fig. 23 whose area is given...Ch. 6.4 - Shade the portion ofFig. 24 whose area is given by...Ch. 6.4 - Let f(x) be the function pictured in Fig. 25....Ch. 6.4 - Let g(x) be the function pictured in Fig. 26....Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curve and...Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region between the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region bounded by the curves....Ch. 6.4 - Find the area of the region between y=x23x and the...Ch. 6.4 - Find the area of the region between y=x2 and...Ch. 6.4 - Find the area in Fig. 27 of the region bounded by...Ch. 6.4 - Find the area of the region bounded by y=1/x,y=4x...Ch. 6.4 - Height of a Helicopter A helicopter is rising...Ch. 6.4 - Assembly line productionAfter t hour of operation,...Ch. 6.4 - Cost Suppose that the marginal cost function for a...Ch. 6.4 - ProfitSuppose that the marginal profit function...Ch. 6.4 - Marginal Profit Let M(x) be a companys marginal...Ch. 6.4 - Marginal Profit Let M(x) be a companys marginal...Ch. 6.4 - Prob. 37ECh. 6.4 - VelocitySuppose that the velocity of a car at time...Ch. 6.4 - Deforestation and Fuel wood Deforestation is one...Ch. 6.4 - Refer to Exercise 39. The rate of new tree growth...Ch. 6.4 - After an advertising campaign, a companys marginal...Ch. 6.4 - Profit and Area The marginal profit for a certain...Ch. 6.4 - Velocity and Distance Two rockets are fired...Ch. 6.4 - Distance TraveledCars A and B start at the same...Ch. 6.4 - Displacement versus Distance Traveled The velocity...Ch. 6.4 - Displacement versus Distance Traveled The velocity...Ch. 6.4 - Prob. 47ECh. 6.4 - Prob. 48ECh. 6.4 - Prob. 49ECh. 6.4 - Prob. 50ECh. 6.5 - A rock dropped from a bridge has a velocity of 32t...Ch. 6.5 - An Investment yields a continuous income stream of...Ch. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Prob. 4ECh. 6.5 - Determine the average value of f(x) over the...Ch. 6.5 - Prob. 6ECh. 6.5 - Average Temperature During a certain 12-hour...Ch. 6.5 - Average PopulationAssuming that a countrys...Ch. 6.5 - Average Amount of Radium. One hundred grams of...Ch. 6.5 - Average Amount of Money. One hundred dollars is...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Consumers Surplus Find the consumers surplus for...Ch. 6.5 - Prob. 15ECh. 6.5 - Prob. 16ECh. 6.5 - Prob. 17ECh. 6.5 - Prob. 18ECh. 6.5 - Prob. 19ECh. 6.5 - Prob. 20ECh. 6.5 - Prob. 21ECh. 6.5 - Prob. 22ECh. 6.5 - Prob. 23ECh. 6.5 - Future Value Suppose that money is deposited...Ch. 6.5 - Prob. 25ECh. 6.5 - Prob. 26ECh. 6.5 - Volume of Solids of Revolution Find the volume of...Ch. 6.5 - Volume of Solids of Revolution Find the volume of...Ch. 6.5 - Prob. 29ECh. 6.5 - Prob. 30ECh. 6.5 - Prob. 31ECh. 6.5 - Prob. 32ECh. 6.5 - Prob. 33ECh. 6.5 - Prob. 34ECh. 6.5 - Prob. 35ECh. 6.5 - Prob. 36ECh. 6.5 - Prob. 37ECh. 6.5 - For the Riemann sum...Ch. 6.5 - Prob. 39ECh. 6.5 - Prob. 40ECh. 6.5 - Prob. 41ECh. 6.5 - Prob. 42ECh. 6.5 - Prob. 43ECh. 6.5 - Prob. 44ECh. 6.5 - Prob. 45ECh. 6.5 - Prob. 46ECh. 6 - What does it mean to antidifferentiate a function?Ch. 6 - Prob. 2CCECh. 6 - Prob. 3CCECh. 6 - Prob. 4CCECh. 6 - Prob. 5CCECh. 6 - Prob. 6CCECh. 6 - Prob. 7CCECh. 6 - Prob. 8CCECh. 6 - Prob. 9CCECh. 6 - Prob. 10CCECh. 6 - Prob. 11CCECh. 6 - Calculate the following integrals. 32dxCh. 6 - Prob. 2RECh. 6 - Calculate the following integrals. x+1dxCh. 6 - Calculate the following integrals. 2x+4dxCh. 6 - Calculate the following integrals. 2(x3+3x21)dxCh. 6 - Calculate the following integrals. x+35dxCh. 6 - Calculate the following integrals. ex/2dxCh. 6 - Calculate the following integrals. 5x7dxCh. 6 - Calculate the following integrals. (3x44x3)dxCh. 6 - Calculate the following integrals. (2x+3)7dxCh. 6 - Calculate the following integrals. 4xdxCh. 6 - Calculate the following integrals. (5xx5)dxCh. 6 - Calculate the following integrals. 11(x+1)2dxCh. 6 - Calculate the following integrals. 01/8x3dxCh. 6 - Calculate the following integrals. 122x+4dxCh. 6 - Calculate the following integrals. 201(2x+11x+4)dxCh. 6 - Calculate the following integrals. 124x5dxCh. 6 - Calculate the following integrals. 2308x+1dxCh. 6 - Calculate the following integrals. 141x2dxCh. 6 - Calculate the following integrals. 36e2(x/3)dxCh. 6 - Calculate the following integrals. 05(5+3x)1dxCh. 6 - Calculate the following integrals. 2232e3xdxCh. 6 - Calculate the following integrals. 0ln2(exex)dxCh. 6 - Calculate the following integrals. ln2ln3(ex+ex)dxCh. 6 - Calculate the following integrals. 0ln3ex+exe2xdxCh. 6 - Calculate the following integrals. 013+e2xexdxCh. 6 - Find the area under the curve y=(3x2)3 from x=1 to...Ch. 6 - Find the area under the curve y=1+x from x=1 to...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - In Exercises 2936, Find the area of the shaded...Ch. 6 - Find the area of the region bounded by the curves...Ch. 6 - Find the area of the region between the curves...Ch. 6 - Find the function f(x) for which...Ch. 6 - Find the function f(x) for which f(x)=e5x,f(0)=1.Ch. 6 - Describe all solutions of the following...Ch. 6 - Let k be a constant, and let y=f(t) be a function...Ch. 6 - Prob. 43RECh. 6 - Prob. 44RECh. 6 - A drug is injected into a patient at the rate of...Ch. 6 - A rock thrown straight up into the air has a...Ch. 6 - Prob. 47RECh. 6 - Prob. 48RECh. 6 - Prob. 49RECh. 6 - Prob. 50RECh. 6 - Find the consumers surplus for the demand curve...Ch. 6 - Three thousand dollars is deposited in the bank at...Ch. 6 - Find the average value of f(x)=1/x3 from x=13 to...Ch. 6 - Prob. 54RECh. 6 - In Fig. 2, three regions are labelled with their...Ch. 6 - Prob. 56RECh. 6 - Prob. 57RECh. 6 - Prob. 58RECh. 6 - Prob. 59RECh. 6 - Prob. 60RECh. 6 - Prob. 61RECh. 6 - Prob. 62RECh. 6 - Prob. 63RECh. 6 - Prob. 64RECh. 6 - Prob. 65RECh. 6 - Prob. 66RECh. 6 - Prob. 67RECh. 6 - Prob. 68RECh. 6 - Prob. 69RECh. 6 - Prob. 70RECh. 6 - Prob. 71RECh. 6 - Prob. 72RECh. 6 - Prob. 73RECh. 6 - Prob. 74RE
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- 4. Which substitution would you use to simplify the following integrand? S a) x = sin b) x = 2 tan 0 c) x = 2 sec 3√√3 3 x3 5. After making the substitution x = = tan 0, the definite integral 2 2 3 a) ៖ ស្លឺ sin s π - dᎾ 16 0 cos20 b) 2/4 10 cos 20 π sin30 6 - dᎾ c) Π 1 cos³0 3 · de 16 0 sin20 1 x²√x²+4 3 (4x²+9)2 π d) cos²8 16 0 sin³0 dx d) x = tan 0 dx simplifies to: de 6. In order to evaluate (tan 5xsec7xdx, which would be the most appropriate strategy? a) Separate a sec²x factor b) Separate a tan²x factor c) Separate a tan xsecx factor 7. Evaluate 3x x+4 - dx 1 a) 3x+41nx + 4 + C b) 31n|x + 4 + C c) 3 ln x + 4+ C d) 3x - 12 In|x + 4| + C x+4arrow_forward1. Abel's Theorem. The goal in this problem is to prove Abel's theorem by following a series of steps (each step must be justified). Theorem 0.1 (Abel's Theorem). If y1 and y2 are solutions of the differential equation y" + p(t) y′ + q(t) y = 0, where p and q are continuous on an open interval, then the Wronskian is given by W (¥1, v2)(t) = c exp(− [p(t) dt), where C is a constant that does not depend on t. Moreover, either W (y1, y2)(t) = 0 for every t in I or W (y1, y2)(t) = 0 for every t in I. 1. (a) From the two equations (which follow from the hypotheses), show that y" + p(t) y₁ + q(t) y₁ = 0 and y½ + p(t) y2 + q(t) y2 = 0, 2. (b) Observe that Hence, conclude that (YY2 - Y1 y2) + P(t) (y₁ Y2 - Y1 Y2) = 0. W'(y1, y2)(t) = yY2 - Y1 y2- W' + p(t) W = 0. 3. (c) Use the result from the previous step to complete the proof of the theorem.arrow_forward2. Observations on the Wronskian. Suppose the functions y₁ and y2 are solutions to the differential equation p(x)y" + q(x)y' + r(x) y = 0 on an open interval I. 1. (a) Prove that if y₁ and y2 both vanish at the same point in I, then y₁ and y2 cannot form a fundamental set of solutions. 2. (b) Prove that if y₁ and y2 both attain a maximum or minimum at the same point in I, then y₁ and Y2 cannot form a fundamental set of solutions. 3. (c) show that the functions & and t² are linearly independent on the interval (−1, 1). Verify that both are solutions to the differential equation t² y″ – 2ty' + 2y = 0. Then justify why this does not contradict Abel's theorem. 4. (d) What can you conclude about the possibility that t and t² are solutions to the differential equation y" + q(x) y′ + r(x)y = 0?arrow_forward
- Question 4 Find an equation of (a) The plane through the point (2, 0, 1) and perpendicular to the line x = y=2-t, z=3+4t. 3t, (b) The plane through the point (3, −2, 8) and parallel to the plane z = x+y. (c) The plane that contains the line x = 1+t, y = 2 − t, z = 4 - 3t and is parallel to the plane 5x + 2y + z = 1. (d) The plane that passes through the point (1,2,3) and contains the line x = 3t, y = 1+t, and z = 2-t. (e) The plane that contains the lines L₁: x = 1 + t, y = 1 − t, z = 2t and L2 : x = 2 − s, y = s, z = 2.arrow_forwardPlease find all values of x.arrow_forward3. Consider the initial value problem 9y" +12y' + 4y = 0, y(0) = a>0: y′(0) = −1. Solve the problem and find the value of a such that the solution of the initial value problem is always positive.arrow_forward
- 5. Euler's equation. Determine the values of a for which all solutions of the equation 5 x²y" + axy' + y = 0 that have the form (A + B log x) x* or Ax¹¹ + Bä” tend to zero as a approaches 0.arrow_forward4. Problem on variable change. The purpose of this problem is to perform an appropriate change of variables in order to reduce the problem to a second-order equation with constant coefficients. ty" + (t² − 1)y'′ + t³y = 0, 0arrow_forward4. Some psychologists contend that the number of facts of a certain type that are remembered after t hours is given by f(t)== 90t 951-90 Find the rate at which the number of facts remembered is changing after 1 hour and after 10 hours. Interpret.arrow_forward12:05 MA S 58 58. If f(x) = ci.metaproxy.org 25 2xon [0, 10] and n is a positive integer, then there is some Riemann sum Sthat equals the exact area under the graph of ƒ from x = Oto x = 10. 59. If the area under the graph of fon [a, b] is equal to both the left sum L, and the right sum Rfor some positive integer n, then fis constant on [a, b]. 60. If ƒ is a decreasing function on [a, b], then the area under the graph of fis greater than the left sum Land less than the right sum R₂, for any positive integer n. Problems 61 and 62 refer to the following figure showing two parcels of land along a river: River Parcel 2 Parcel 1 h(x) 500 ft 1,000 ft. Figure for 61 and 62 61. You want to purchase both parcels of land shown in the figure and make a quick check on their combined area. There is no equation for the river frontage, so you use the average of the left and right sums of rectangles covering the area. The 1,000-foot baseline is divided into 10 equal parts. At the end of each…arrow_forwardIf a snowball melts so that its surface area decreases at a rate of 10 cm²/min, find the rate (in cm/min) at which the diameter decreases when the diameter is 12 cm. (Round your answer to three decimal places.) cm/minarrow_forward1) let X: N R be a sequence and let Y: N+R be the squence obtained from x by di scarding the first meN terms of x in other words Y(n) = x(m+h) then X converges to L If and only is y converges to L- 11) let Xn = cos(n) where nyo prove D2-1 that lim xn = 0 by def. h→00 ii) prove that for any irrational numbers ther exsist asquence of rational numbers (xn) converg to S.arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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