यदि $\frac{d}{dx}f(x) = x\cos x + \sin x$ और $f(0) = 2$ है,तो $f(x) = $

  • A
    $x\sin x$
  • B
    $x\cos x + \sin x + 2$
  • C
    $x\sin x + 2$
  • D
    $x\cos x + 2$

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