CPM Homework Help : APCALC Problem 7-78

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Home > APCALC > Chapter 7 > Lesson 7.2.3 > Problem 7-78

7-78.

Integrate.

$\int - \frac { 2 } { x } d x$
Hint (a):
Before you integrate, factor the coefficient $−2$ out of the integral.

$\int ( \frac { 2 } { \sqrt { 1 - x ^ { 2 } } } + 4 x ) d x$
Hint (b):
Before you integrate, factor a $2$ out of the integral.
Hint 2(b):
Do you recognize a familiar trigonometric (or inverse trigonometric) derivative in the integrand?

$\int _ { 0 } ^ { \pi } \pi ^ { x } d x$
Hint (c):
$a^0 = 1$

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