CPM Homework Help : CALC3RD Problem 9-131

What is $\frac { d } { d x } \int _ { 4 } ^ { 6 x ^ { 2 } - 2 } ( 9 \sqrt { t - 1 } ) d t$ ?

Hint:

You will need to use the Chain Rule.

Step:

Let $a = 4$ and $b = 6x^2 - 2$ .

$(9\sqrt{b-1})(b^\prime)-(9\sqrt{a-1})(a^\prime)$