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Let aa And bb Be Real Numbers A) a9x2+10dx\int _ { - \infty } ^ { a } \frac { 9 } { x ^ { 2 } + 10 } d x

Question 10

Multiple Choice

Let aa and bb be real numbers. What integral must appear in place of the question mark "?" to make the following statement true?
a10x2+9dx+a10x2+9dx=?+10x2+9dx\int _ { - \infty } ^ { a } \frac { 10 } { x ^ { 2 } + 9 } d x + \int _ { a } ^ { \infty } \frac { 10 } { x ^ { 2 } + 9 } d x = ? + \int _ { \partial } ^ { \infty } \frac { 10 } { x ^ { 2 } + 9 } d x


A) a9x2+10dx\int _ { - \infty } ^ { a } \frac { 9 } { x ^ { 2 } + 10 } d x
B) 010x29dx\int _ { 0 } ^ { - \infty } \frac { 10 } { x ^ { 2 } - 9 } d x
C) b10x2+9dx\int _ { - \infty } ^ { b } \frac { 10 } { x ^ { 2 } + 9 } d x
D) b10x2+9dx\int _ { b } ^ { - \infty } \frac { 10 } { x ^ { 2 } + 9 } d x
E) none of these

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