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IfA=int0^pi(cosx)/((x+2)^2)dx ,t h e nin...

`IfA=int_0^pi(cosx)/((x+2)^2)dx ,t h e nint_0^(pi/2)(sin2x)/(x+1)dx` is equal to (a)`1/2+1/(pi+2)-A` (b) `1/(pi+2)-A` (c)`1+1/(pi+2)-A` (d) `A-1/2-1/(pi+2)`

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