यदि $x^2+y^2+\sin y=4$ है,तो $x=-2$ पर $\frac{d^2 y}{d x^2}$ का मान ज्ञात कीजिए।

  • A
    $-30$
  • B
    $-34$
  • C
    $-32$
  • D
    $-18$

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