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Find the Integral Using an Appropriate Trigonometric Substitution x9x2dx\int x \sqrt { 9 - x ^ { 2 } } d x

Question 74

Multiple Choice

Find the integral using an appropriate trigonometric substitution.
x9x2dx\int x \sqrt { 9 - x ^ { 2 } } d x


A) 13x2(9x2) 3/2+C\frac { 1 } { 3 } x ^ { 2 } \left( 9 - x ^ { 2 } \right) ^ { 3 / 2 } + C
B) 13(9x2) 3/2+C- \frac { 1 } { 3 } \left( 9 - x ^ { 2 } \right) ^ { 3 / 2 } + C
C) 13x2(9x2) 3/2+C- \frac { 1 } { 3 } x ^ { 2 } \left( 9 - x ^ { 2 } \right) ^ { 3 / 2 } + C
D) 13(9x2) 3/2+C\frac { 1 } { 3 } \left( 9 - x ^ { 2 } \right) ^ { 3 / 2 } + C

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