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Let f(x)={(x^2+3x+a,xle1),(bx+2,xgt1)) i...

`Let f(x)={(x^2+3x+a,xle1),(bx+2,xgt1))` is differentiable everywhere. The value of `int_(-2)^2f(x)dx` is

A

`19/6`

B

17

C

21

D

`15/6`

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The correct Answer is:
D
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