यदि $2x^2 - 3xy + 4y^2 + 2x - 3y + 4 = 0$ है, तो $\left(\frac{dy}{dx}\right)_{(3,2)} = $

  • A
    $-5$
  • B
    $\frac{5}{7}$
  • C
    $-2$
  • D
    $\frac{2}{7}$

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यदि $2^x + 2^y = 2^{x + y}$ है,तो $\frac{dy}{dx}$ का मान किसके बराबर है?

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यदि $x^y \cdot y^x = 16$ है,तो $(2, 2)$ पर $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

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