જો ${x^m}{y^n} = {(x + y)^{m + n}}$ હોય,તો ${\left. {\frac{dy}{dx}} \right|_{x = 1, y = 2}}$ ની કિંમત કેટલી થાય?

  • A
    $1/2$
  • B
    $2$
  • C
    $2m/n$
  • D
    $m/2n$

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ધારો કે $f : (0, \infty) \rightarrow (0, \infty)$ એક વિકલનીય વિધેય છે જેથી $f(1) = e$ અને $\lim_{t \rightarrow x} \frac{t^{2} f^{2}(x) - x^{2} f^{2}(t)}{t - x} = 0$. જો $f(x) = 1$ હોય,તો $x$ ની કિંમત શોધો.

જો $x = \exp \left\{ {{{\tan }^{ - 1}}\left( {{{y - {x^2}} \over {{x^2}}}} \right)} \right\}$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

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

જો $y = \operatorname{Sin}^{-1}\left(\frac{4+5 \sin x}{5+4 \sin x}\right)$ હોય,તો $\frac{dy}{dx}$ શોધો.

જો $y = x^{x^{x...\infty}},$ હોય,તો $x (1 - y \log x) \frac{dy}{dx} =$

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