निम्नलिखित फलन का अवकलज ज्ञात कीजिए: $3 \cot x + 5 \operatorname{cosec} x$

  • A
    $-3 \operatorname{cosec}^{2} x - 5 \operatorname{cosec} x \cot x$
  • B
    $3 \operatorname{cosec}^{2} x + 5 \operatorname{cosec} x \cot x$
  • C
    $-3 \operatorname{cosec}^{2} x + 5 \operatorname{cosec} x \cot x$
  • D
    $3 \operatorname{cosec}^{2} x - 5 \operatorname{cosec} x \cot x$

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