CPM Homework Help : CALC Problem 5-156

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5-156.

Find the derivative of each of the following functions:

$f(x) = x^2\operatorname{tan}(x)$
Hint (a):
Use the Product Rule.
Answer (a):
$f '(x) = 2x\operatorname{tan} x + x^2\operatorname{sec}^2 x$

$g ( x ) = \frac { 1 } { \operatorname { sin } x }$

$f(x) = (2x + 1)(3x − 1)^3$
Hint (c):
Combine the Product Rule with the Chain Rule.

$g ( x ) = \operatorname { cos } \sqrt { x + 1 }$

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