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$\text { Use partial fractions to find } \int \frac { 1 } { x ^ { 2 } - 9 } d x \text {. }$

Question 90

Multiple Choice

A) $\int \frac { 1 } { x ^ { 2 } - 9 } d x = \frac { 1 } { 6 } \ln \left| \frac { x - 3 } { x + 3 } \right| + C$
B) $\int \frac { 1 } { x ^ { 2 } - 9 } d x = \frac { 1 } { 6 ( x - 3 ) } - \frac { 1 } { 6 ( x + 3 ) } + C$
C) $\int \frac { 1 } { x ^ { 2 } - 9 } d x = \frac { 1 } { 6 } \ln \left| \frac { x - 6 } { x + 6 } \right| + C$
D) $\int \frac { 1 } { x ^ { 2 } - 9 } d x = \frac { 1 } { ( x - 3 ) } - \frac { 1 } { ( x + 3 ) } + C$
E) $\int \frac { 1 } { x ^ { 2 } - 9 } d x = \ln \left| \frac { x - 3 } { x + 3 } \right| + C$

Use partial fractions to find ∫1x2−9dx. \text { Use partial fractions to find } \int \frac { 1 } { x ^ { 2 } - 9 } d x \text {. } Use partial fractions to find ∫x2−91​dx.

Multiple Choice

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$\text { Use partial fractions to find } \int \frac { 1 } { x ^ { 2 } - 9 } d x \text {. }$

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