જો ${y^x} + {x^y} = {a^b}$ હોય,તો $\frac{dy}{dx} = $

  • A
    $ - \frac{y{x^{y - 1}} + {y^x}\log y}{x{y^{x - 1}} + {x^y}\log x}$
  • B
    $\frac{y{x^{y - 1}} + {y^x}\log y}{x{y^{x - 1}} + {x^y}\log x}$
  • C
    $ - \frac{y{x^{y - 1}} + {y^x}}{x{y^{x - 1}} + {x^y}\log x}$
  • D
    $\frac{y{x^{y - 1}} + {y^x}}{x{y^{x - 1}} + {x^y}}$

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જો $\cos ^{-1}\left(\frac{x^2-y^2}{x^2+y^2}\right)=\sin ^{-1}(a)$ હોય,તો $\frac{d y}{d x}$ ની કિંમત શોધો.

જો ${x^2} + {y^2} = 1$ હોય,તો $y'$ અને $y''$ વચ્ચેનો સંબંધ શોધો,જ્યાં $y' = \frac{dy}{dx}$ અને $y'' = \frac{d^2y}{dx^2}$.

જો $f(1)=3$ અને $f^{\prime}(1)=2$ હોય,તો $x=0$ આગળ $\frac{d}{d x}\left\{\log \left[f\left(e^x+2 x\right)\right]\right\}$ ની કિંમત શોધો.

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