જો $y\sqrt{x^2 + 1} = \log \{\sqrt{x^2 + 1} - x\}$ હોય,તો $(x^2 + 1)\frac{dy}{dx} + xy + 1 = $

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    આમાંથી કોઈ નહીં

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જો $y = x^2 + \frac{1}{x^2 + \frac{1}{x^2 + \frac{1}{x^2 + \dots \infty}}}$,હોય,તો $\frac{dy}{dx} = $

વક્ર $C : (x^{2}+y^{2}-3)+(x^{2}-y^{2}-1)^{5}=0$ માટે,$C$ પરના બિંદુ $(\alpha, \alpha)$,જ્યાં $\alpha > 0$,પર $3y^{\prime}-y^{3}y^{\prime\prime}$ ની કિંમત કેટલી થાય?

જો $(a+\sqrt{2} b \cos x)(a-\sqrt{2} b \cos y)=a^2-b^2$ જ્યાં $a>b>0$,તો $\left(\frac{\pi}{4}, \frac{\pi}{4}\right)$ બિંદુએ,$\frac{dy}{dx}=$

જો $xy = \tan^{-1}(xy) + \cot^{-1}(xy)$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $y = x \operatorname{Tan}^{-1}\left(\frac{x}{y}\right)$ હોય,તો $\frac{dy}{dx} = $

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