Assorted line integrals Evaluate each line integral using the given curve C . 69. ∫ C x 3 y d x + x z d y + ( x + y ) 2 d z ; C is the helix r ( t ) = 〈 2 t , sin t , cos t 〉 , for 0 ≤ t ≤ 4 π .
Assorted line integrals Evaluate each line integral using the given curve C . 69. ∫ C x 3 y d x + x z d y + ( x + y ) 2 d z ; C is the helix r ( t ) = 〈 2 t , sin t , cos t 〉 , for 0 ≤ t ≤ 4 π .
Solution Summary: The author evaluates the assorted line integral with the help of the given curve.
Assorted line integrals Evaluate each line integral using the given curve C.
69.
∫
C
x
3
y
d
x
+
x
z
d
y
+
(
x
+
y
)
2
d
z
;
C is the helix
r
(
t
)
=
〈
2
t
,
sin
t
,
cos
t
〉
,
for 0 ≤ t ≤ 4π.
With differentiation, one of the major concepts of calculus. Integration involves the calculation of an integral, which is useful to find many quantities such as areas, volumes, and displacement.
A driver is traveling along a straight road when a buffalo runs into the street. This driver has a reaction time of 0.75 seconds. When the driver sees the buffalo he is traveling at 44 ft/s, his car can decelerate at 2 ft/s^2 when the brakes are applied. What is the stopping distance between when the driver first saw the buffalo, to when the car stops.
Topic 2
Evaluate S
x
dx, using u-substitution. Then find the integral using
1-x2
trigonometric substitution. Discuss the results!
Topic 3
Explain what an elementary anti-derivative is. Then consider the following
ex
integrals: fed dx
x
1
Sdx
In x
Joseph Liouville proved that the first integral does not have an elementary anti-
derivative Use this fact to prove that the second integral does not have an
elementary anti-derivative. (hint: use an appropriate u-substitution!)
1. Given the vector field F(x, y, z) = -xi, verify the relation
1
V.F(0,0,0) = lim
0+ volume inside Se
ff F• Nds
SE
where SE is the surface enclosing a cube centred at the origin and having edges of length 2€. Then,
determine if the origin is sink or source.
Chapter 17 Solutions
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University Calculus: Early Transcendentals (4th Edition)
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