Chapter 5: Q. 8 (page 428)
Suppose v(x) is a function of x. Explain why the integral
of dv is equal to v (up to a constant).
Short Answer
Differentiation and integration are inverse operations of each other.
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Chapter 5: Q. 8 (page 428)
Suppose v(x) is a function of x. Explain why the integral
of dv is equal to v (up to a constant).
Differentiation and integration are inverse operations of each other.
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For each function u(x) in Exercises 9鈥12, write the differential du in terms of the differential dx.
Explain how to know when to use the trigonometric substitutions , Describe the trigonometric identity and the triangle that will be needed in each case. What are the possible values for and in each case?
List some things which would suggest that a certain substitution u(x) could be a useful choice. What do you look for when choosing u(x)?
Solve the integral:
Give an example of an integral for which trigonometric substitution is possible but an easier method is available. Then give an example of an integral that we still don鈥檛 know how to solve given the techniques we know at this point.
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