જો $\tan y = \frac{x \sin \alpha}{1-x \cos \alpha}$ અને $\frac{dy}{dx} = \frac{m}{x^2+2nx+1}$ હોય,તો $m^2+n^2$ ની કિંમત શોધો.

  • A
    $2$
  • B
    $3$
  • C
    $1$
  • D
    $4$

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જો $-1 < x < 1$ માટે $x \sqrt{1+y}+y \sqrt{1+x}=0$ હોય,તો સાબિત કરો કે $\frac{dy}{dx} = -\frac{1}{(1+x)^2}$.

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જો $xy = \tan^{-1}(xy) + \cot^{-1}(xy)$ હોય,તો $\left(\frac{dy}{dx}\right)_{(4,2)} = ?$ (જ્યાં $x, y \in \mathbb{R}$)

જો $\log (x+y)-2xy=0$ હોય,તો $y^{\prime}(0)=$

જો $f(x) = \frac{1}{x^2} \int_3^x (2t - 3f'(t)) dt$ હોય, તો $f'(3)$ ની કિંમત શોધો.

જો $y=1+xe^y$ હોય,તો $\frac{dy}{dx}=$

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