Chapter 5: Q. 5 (page 477)
Why is it very easy to conclude that
Short Answer
The integral
Chapter 5: Q. 5 (page 477)
Why is it very easy to conclude that
The integral
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Get started for freeSolve each of the integrals in Exercises 39–74. Some integrals require trigonometric substitution, and some do not. Write your answers as algebraic functions whenever possible.
Solve
(a) with the substitution
(b) with the trigonometric substitution x = 2 tan u.
For each function u(x) in Exercises 9–12, write the differential du in terms of the differential dx.
True/False: Determinewhethereachofthestatementsthat follow is true or false. If a statement is true, explain why. If a statement is false, provide a counterexample.
(a) True or False:
(b) True or False: Every improper rational function can be expressed as the sum of a polynomial and a proper rational function.
(c) True or False: After polynomial long division of p(x) by q(x), the remainder r(x) has a degree strictly less than the degree of q(x).
(d) True or False: Polynomial long division can be used to divide two polynomials of the same degree.
(e) True or False: If a rational function is improper, then polynomial long division must be applied before using the method of partial fractions.
(f) True or False: The partial-fraction decomposition of
(g) True or False: The partial-fraction decomposition of
(h) True or False: Every quadratic function can be written in the form
Explain how to know when to use the trigonometric substitutions
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