$\int \frac{x^{2}}{(x \sin x+\cos x)^{2}} d x$ का मान ज्ञात कीजिए।

  • A
    $\frac{\sin x+\cos x}{x \sin x+\cos x}+C$
  • B
    $\frac{x \sin x-\cos x}{x \sin x+\cos x}+C$
  • C
    $\frac{\sin x-x \cos x}{x \sin x+\cos x}+C$
  • D
    इनमें से कोई नहीं

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