ધારો કે $M = \int_{0}^{\pi / 2} \frac{\cos x}{x+2} dx$ અને $N = \int_{0}^{\pi / 4} \frac{\sin x \cos x}{(x+1)^{2}} dx$ છે. તો, $(M - N)$ ની કિંમત શોધો.

  • A
    $\frac{3}{\pi+2}$
  • B
    $\frac{2}{\pi-4}$
  • C
    $\frac{4}{\pi-2}$
  • D
    $\frac{2}{\pi+4}$

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