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Suppose M= int(0)^(pi//2) (cos x)/(x+2) ...

Suppose `M= int_(0)^(pi//2) (cos x)/(x+2) dx, N=int_(0)^(pi//4) (sinx" "cosx)/((x+1)^(2))dx`. Then the value of `(M-N)` equals

A

`(3)/(pi+2)`

B

`(2)/(pi-4)`

C

`(4)/(pi-2)`

D

`(2)/(pi+4)`

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