यदि $x^2+y^2=t+\frac{1}{t}$ और $x^4+y^4=t^2+\frac{1}{t^2}$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

  • A
    $-\frac{x}{y}$
  • B
    $-\frac{y}{x}$
  • C
    $-\frac{x^2}{y^2}$
  • D
    $-\frac{y^2}{x^2}$

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यदि ${x^{2/3}} + {y^{2/3}} = {a^{2/3}}$ है,तो $\frac{dy}{dx} = $

यदि $x^2+y^2=t-\frac{1}{t}$ और $x^4+y^4=t^2+\frac{1}{t^2}$ है, तो $\frac{dy}{dx}=$

यदि $x^{2}+y^{2}=t+\frac{1}{t}$ और $x^{4}+y^{4}=t^{2}+\frac{1}{t^{2}}$ है,तो $\frac{d y}{d x}$ ज्ञात कीजिए।

यदि $ax^2 + 2hxy + by^2 + 2gx + 2fy + c = 0$ है,तो $\frac{dy}{dx} = $

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