Comparing Integration Problems In Exercises 47-50, find the indefinite integrals, if possible, using the formulas and techniques you have studied so far in the text.
(a)
(b)
(c)
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CONCEPT CHECK
Integration Rules Decide whether you can find each integral using the formulas and techniques you have studied so far. Explain.
Finding Arc Length
In Exercises 21-30:
(a) sketch the graph of the function over the given interval ,
(b) write a definite integral that represents the arc length of the curve over the indicated interval and observe that the integral cannot be evaluated with the techniques studied so far, and
(c) use the integration capabilities of a graphing utility to approximate the arc length.