Let f x − 2 x 5 + 26 x 4 + 15 x 3 + 6 x 2 + 20 x + 43 x 6 − x 5 − 18 x 4 − 2 x 3 − 39 x 2 − x − 20 (a) Use a CAS to factor the denominator, and then write down the form of the partial fraction decomposition. You need not find the value of the constants. (b) Check your answer in part (a) by using the CAS to find the partial fraction decomposition of f . (c) Integrate f by hand, and then check your answer by integrating with the CAS.
Let f x − 2 x 5 + 26 x 4 + 15 x 3 + 6 x 2 + 20 x + 43 x 6 − x 5 − 18 x 4 − 2 x 3 − 39 x 2 − x − 20 (a) Use a CAS to factor the denominator, and then write down the form of the partial fraction decomposition. You need not find the value of the constants. (b) Check your answer in part (a) by using the CAS to find the partial fraction decomposition of f . (c) Integrate f by hand, and then check your answer by integrating with the CAS.
Let
f
x
−
2
x
5
+
26
x
4
+
15
x
3
+
6
x
2
+
20
x
+
43
x
6
−
x
5
−
18
x
4
−
2
x
3
−
39
x
2
−
x
−
20
(a) Use a CAS to factor the denominator, and then write down the form of the partial fraction
decomposition. You need not find the value of the constants.
(b) Check your answer in part (a) by using the CAS to find the partial fraction decomposition of f.
(c) Integratef by hand, and then check your answer by integrating with the CAS.
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.
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