यदि $y = \sqrt{(1 - x)(1 + x)}$ है,तो

  • A
    $(1 - x^2)\frac{dy}{dx} - xy = 0$
  • B
    $(1 - x^2)\frac{dy}{dx} + xy = 0$
  • C
    $(1 - x^2)\frac{dy}{dx} - 2xy = 0$
  • D
    $(1 - x^2)\frac{dy}{dx} + 2xy = 0$

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निम्नलिखित सूची-$I$ को सूची-$II$ के साथ $\frac{dy}{dx}$ के लिए सुमेलित करें:
सूची-$I$सूची-$II$
$A. x^2 + y^2 + 3xy = 7$$I. \frac{x^2 + ay}{ax + y^2}$
$B. x^{2/3} + y^{2/3} = a^{2/3}$$II. \frac{-(2x + 3y)}{3x + 2y}$
$C. x^3 + y^3 = 3axy$$III. -(\frac{y}{x})^{1/3}$
$D. xy(x - y) = 2$$IV. \frac{x^2 - ay}{ax - y^2}$
$V. \frac{y(2x - y)}{x(x - 2y)}$

यदि $\log _{10}\left(\frac{x^3-y^3}{x^3+y^3}\right)=2$ है,तो $\frac{d y}{d x}=$

यदि $x=\sqrt{1-\tan y}$ है, तो $\frac{dy}{dx}=$

यदि $y+\sin y=\cos x$ है,तो $\frac{dy}{dx}$ ज्ञात कीजिए।

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

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