Explain why or why not Determine whether the
Chapter 7, Problem 57(choose chapter or problem)
Explain why or why not Determine whether the following statements are true and give an explanation or counterexample. a. If x = 4 tan u, then csc u = 4>x. b. The integral 1 2 1 21 - x2 dx does not have a finite real value. c. The integral 1 2 1 2x2 - 1 dx does not have a finite real value. d. The integral L dx x2 + 4x + 9 cannot be evaluated using a trigonometric substitution.
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