Evaluate x 2 + 16 dx using trigonometric substitution. Then use Exercise 31 to verify that
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Evaluate ∫ √x2 + 16 dx using trigonometric substitution. Then use Exercise 31 to verify that your answer agrees with the answer in Example 3.
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EXAMPLE 3 Hyperbolic Substitution Calculate •√ √x² +16dx.
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Let x 4 tan 9 Then dx 4 sec 0 de and x 16 dx 16 sec 0 de 8 tan 0 sec 0 8 ...View the full answer
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