Student Solutions Manual, Single Variable for Calculus: Early Transcendentals
2nd Edition
ISBN: 9780321954329
Author: William L. Briggs, Lyle Cochran, Bernard Gillett
Publisher: PEARSON
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Chapter D2.2, Problem 3E
To determine
To give: The three cases that arise when finding the roots of the characteristic polynomial.
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Students have asked these similar questions
1. 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.
2. 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?
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.
Chapter D2 Solutions
Student Solutions Manual, Single Variable for Calculus: Early Transcendentals
Ch. D2.1 - Describe how to find the order of a differential...Ch. D2.1 - Prob. 2ECh. D2.1 - Prob. 3ECh. D2.1 - Give a general form of a second-order linear...Ch. D2.1 - Prob. 5ECh. D2.1 - Prob. 6ECh. D2.1 - Prob. 7ECh. D2.1 - Prob. 8ECh. D2.1 - Prob. 9ECh. D2.1 - Prob. 10E
Ch. D2.1 - Prob. 11ECh. D2.1 - Prob. 12ECh. D2.1 - Prob. 13ECh. D2.1 - Verifying solutions Verify by substitution that...Ch. D2.1 - Prob. 15ECh. D2.1 - Prob. 16ECh. D2.1 - Prob. 17ECh. D2.1 - Prob. 18ECh. D2.1 - Prob. 19ECh. D2.1 - Prob. 20ECh. D2.1 - Prob. 21ECh. D2.1 - Prob. 22ECh. D2.1 - Prob. 23ECh. D2.1 - Prob. 24ECh. D2.1 - Prob. 25ECh. D2.1 - Prob. 26ECh. D2.1 - Prob. 27ECh. D2.1 - Prob. 28ECh. D2.1 - Prob. 29ECh. D2.1 - Prob. 30ECh. D2.1 - Prob. 31ECh. D2.1 - Prob. 32ECh. D2.1 - Prob. 33ECh. D2.1 - Prob. 34ECh. D2.1 - Prob. 35ECh. D2.1 - Prob. 36ECh. D2.1 - Prob. 37ECh. D2.1 - Prob. 38ECh. D2.1 - Prob. 39ECh. D2.1 - Prob. 40ECh. D2.1 - Prob. 41ECh. D2.1 - Prob. 42ECh. D2.1 - Prob. 43ECh. D2.1 - Initial value problems Solve the following initial...Ch. D2.1 - Prob. 45ECh. D2.1 - Prob. 46ECh. D2.1 - Explain why or why not Determine whether the...Ch. D2.1 - Prob. 48ECh. D2.1 - Solution verification Verify by substitution that...Ch. D2.1 - Prob. 50ECh. D2.1 - Prob. 51ECh. D2.1 - Prob. 52ECh. D2.1 - Prob. 53ECh. D2.1 - Prob. 54ECh. D2.1 - Prob. 55ECh. D2.1 - Prob. 56ECh. D2.1 - Prob. 57ECh. D2.1 - Prob. 58ECh. D2.1 - Prob. 59ECh. D2.1 - Prob. 60ECh. D2.1 - Prob. 61ECh. D2.1 - Prob. 62ECh. D2.1 - Prob. 63ECh. D2.1 - Prob. 64ECh. D2.1 - Prob. 65ECh. D2.1 - Prob. 66ECh. D2.1 - Prob. 67ECh. D2.1 - Prob. 68ECh. D2.1 - Prob. 69ECh. D2.1 - Reduction of order Suppose you are solving a...Ch. D2.2 - Prob. 1ECh. D2.2 - Prob. 2ECh. D2.2 - Prob. 3ECh. D2.2 - Prob. 4ECh. D2.2 - Prob. 5ECh. D2.2 - Prob. 6ECh. D2.2 - Prob. 7ECh. D2.2 - Give the trial solution used to solve a...Ch. D2.2 - Prob. 9ECh. D2.2 - Prob. 10ECh. D2.2 - General solutions with distinct real roots Find...Ch. D2.2 - Prob. 12ECh. D2.2 - Prob. 13ECh. D2.2 - Prob. 14ECh. D2.2 - Initial value problems with distinct real roots...Ch. D2.2 - Prob. 16ECh. D2.2 - Prob. 17ECh. D2.2 - Prob. 18ECh. D2.2 - Prob. 19ECh. D2.2 - Prob. 20ECh. D2.2 - Prob. 21ECh. D2.2 - Prob. 22ECh. D2.2 - Prob. 23ECh. D2.2 - Prob. 24ECh. D2.2 - Prob. 25ECh. D2.2 - Prob. 26ECh. D2.2 - Prob. 27ECh. D2.2 - Prob. 28ECh. D2.2 - Prob. 29ECh. D2.2 - Prob. 30ECh. D2.2 - Prob. 31ECh. D2.2 - Prob. 32ECh. D2.2 - Prob. 33ECh. D2.2 - Prob. 34ECh. D2.2 - Initial value problems with Cauchy-Euler equations...Ch. D2.2 - Prob. 36ECh. D2.2 - Prob. 37ECh. D2.2 - Initial value problems with Cauchy-Euler equations...Ch. D2.2 - Prob. 39ECh. D2.2 - Prob. 42ECh. D2.2 - Prob. 43ECh. D2.2 - Prob. 44ECh. D2.2 - Prob. 45ECh. D2.2 - Prob. 46ECh. D2.2 - Prob. 47ECh. D2.2 - Prob. 48ECh. D2.2 - Prob. 49ECh. D2.2 - Prob. 50ECh. D2.2 - Prob. 51ECh. D2.2 - Cauchy-Euler equation with repeated roots It can...Ch. D2.2 - Prob. 53ECh. D2.2 - Prob. 54ECh. D2.2 - Prob. 55ECh. D2.2 - Prob. 56ECh. D2.2 - Prob. 57ECh. D2.2 - Prob. 58ECh. D2.2 - Prob. 59ECh. D2.2 - Prob. 60ECh. D2.2 - Prob. 61ECh. D2.2 - Cauchy-Euler equation with repeated roots One of...Ch. D2.2 - Prob. 63ECh. D2.2 - Prob. 64ECh. D2.2 - Prob. 65ECh. D2.2 - Prob. 66ECh. D2.3 - Explain how to find the general solution of the...Ch. D2.3 - Prob. 2ECh. D2.3 - Prob. 3ECh. D2.3 - Prob. 4ECh. D2.3 - Prob. 5ECh. D2.3 - Prob. 6ECh. D2.3 - Prob. 7ECh. D2.3 - Prob. 8ECh. D2.3 - Prob. 9ECh. D2.3 - Prob. 10ECh. D2.3 - Prob. 11ECh. D2.3 - Prob. 12ECh. D2.3 - Prob. 13ECh. D2.3 - Undetermined coefficients with exponentials Find a...Ch. D2.3 - Prob. 15ECh. D2.3 - Prob. 16ECh. D2.3 - Prob. 17ECh. D2.3 - Prob. 18ECh. D2.3 - Prob. 19ECh. D2.3 - Prob. 20ECh. D2.3 - Prob. 21ECh. D2.3 - Prob. 22ECh. D2.3 - Prob. 23ECh. D2.3 - Prob. 24ECh. D2.3 - Prob. 25ECh. D2.3 - Prob. 26ECh. D2.3 - Prob. 27ECh. D2.3 - Prob. 28ECh. D2.3 - Prob. 29ECh. D2.3 - Prob. 30ECh. D2.3 - Prob. 31ECh. D2.3 - Prob. 32ECh. D2.3 - Prob. 33ECh. D2.3 - Prob. 34ECh. D2.3 - Prob. 35ECh. D2.3 - Prob. 36ECh. D2.3 - Prob. 37ECh. D2.3 - Initial value problems Find the general solution...Ch. D2.3 - Prob. 39ECh. D2.3 - Prob. 40ECh. D2.3 - Prob. 41ECh. D2.3 - Prob. 42ECh. D2.3 - Prob. 43ECh. D2.3 - Prob. 44ECh. D2.3 - Prob. 45ECh. D2.3 - Prob. 46ECh. D2.3 - Prob. 47ECh. D2.3 - Prob. 48ECh. D2.3 - Prob. 49ECh. D2.3 - Prob. 50ECh. D2.3 - Prob. 51ECh. D2.3 - Variation of parameters Finding a particular...Ch. D2.4 - Explain the meaning of the words damped, undamped,...Ch. D2.4 - In the models discussed in this section, under...Ch. D2.4 - Prob. 3ECh. D2.4 - Prob. 4ECh. D2.4 - Prob. 5ECh. D2.4 - Prob. 6ECh. D2.4 - Prob. 7ECh. D2.4 - Prob. 8ECh. D2.4 - Prob. 9ECh. D2.4 - Free undamped oscillations Solve the initial value...Ch. D2.4 - Prob. 11ECh. D2.4 - Prob. 12ECh. D2.4 - Prob. 13ECh. D2.4 - Prob. 14ECh. D2.4 - Prob. 15ECh. D2.4 - Prob. 16ECh. D2.4 - Free damped oscillations Solve the initial value...Ch. D2.4 - Free damped oscillations Solve the initial value...Ch. D2.4 - Designing a shock absorber A shock absorber must...Ch. D2.4 - Designing a suspension system A spring in a...Ch. D2.4 - Forced damped oscillations 21.A 1-kg block hangs...Ch. D2.4 - Forced damped oscillations 22.A 20-kg block hangs...Ch. D2.4 - Prob. 23ECh. D2.4 - Prob. 24ECh. D2.4 - Prob. 25ECh. D2.4 - Prob. 26ECh. D2.4 - Prob. 27ECh. D2.4 - LCR circuits 28.The circuit in Exercise 27 (10-ohm...Ch. D2.4 - Prob. 29ECh. D2.4 - Prob. 30ECh. D2.4 - Prob. 31ECh. D2.4 - LCR circuits 32.Find the charge on the capacitor...Ch. D2.4 - Explain why or why not Determine whether the...Ch. D2.4 - Prob. 34ECh. D2.4 - Prob. 35ECh. D2.4 - Prob. 36ECh. D2.4 - Prob. 37ECh. D2.4 - Prob. 38ECh. D2.4 - Prob. 39ECh. D2.4 - Prob. 41ECh. D2.4 - Prob. 42ECh. D2.4 - Prob. 43ECh. D2.4 - Prob. 44ECh. D2.4 - Applications 4346.Horizontal oscillators The...Ch. D2.4 - Prob. 46ECh. D2.4 - Prob. 47ECh. D2.4 - Prob. 48ECh. D2.4 - Prob. 49ECh. D2.4 - Prob. 51ECh. D2.4 - Prob. 52ECh. D2.5 - Prob. 1ECh. D2.5 - Prob. 2ECh. D2.5 - Prob. 3ECh. D2.5 - Prob. 4ECh. D2.5 - Prob. 5ECh. D2.5 - Prob. 6ECh. D2.5 - Prob. 7ECh. D2.5 - Prob. 8ECh. D2.5 - Gain and phase lag functions Consider the...Ch. D2.5 - Prob. 10ECh. D2.5 - Prob. 11ECh. D2.5 - Solutions to oscillator equations Consider the...Ch. D2.5 - Prob. 13ECh. D2.5 - Solutions to oscillator equations Consider the...Ch. D2.5 - Prob. 15ECh. D2.5 - Prob. 16ECh. D2.5 - Prob. 17ECh. D2.5 - Prob. 18ECh. D2.5 - Analyzing circuit equations Consider the circuit...Ch. D2.5 - Prob. 20ECh. D2.5 - Prob. 21ECh. D2.5 - Prob. 22ECh. D2.5 - Prob. 23ECh. D2.5 - A high-pass filter Consider the LCR circuit shown...Ch. D2.5 - High-pass filters Consider the high-pass filter...Ch. D2.5 - Prob. 26ECh. D2.5 - High-pass filters Consider the high-pass filter...Ch. D2.5 - Prob. 28ECh. D2 - Prob. 1RECh. D2 - Prob. 2RECh. D2 - Prob. 3RECh. D2 - Prob. 4RECh. D2 - Solving homogeneous equations Find the general...Ch. D2 - Prob. 6RECh. D2 - Prob. 7RECh. D2 - Prob. 8RECh. D2 - Prob. 9RECh. D2 - Prob. 10RECh. D2 - Prob. 11RECh. D2 - Prob. 12RECh. D2 - Prob. 13RECh. D2 - Prob. 14RECh. D2 - Prob. 15RECh. D2 - Prob. 16RECh. D2 - Prob. 17RECh. D2 - Prob. 18RECh. D2 - Prob. 19RECh. D2 - Prob. 20RECh. D2 - Prob. 21RECh. D2 - Forced undamped oscillations A 4-kg block hangs on...Ch. D2 - Free damped oscillations A 0.2-kg block hangs on a...
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