જો $f: R \rightarrow R$ એ $a \in R$ પર વિકલનીય વિધેય હોય કે જેથી $f^{\prime}(a)=a f(a)$ થાય, તો $\lim _{x \rightarrow a} \frac{x f(a)-a f(x)}{x-a}=$

  • A
    $\left(1-a^2\right) f(a)$
  • B
    $\frac{f(a)}{a}$
  • C
    $a f(a)$
  • D
    $\frac{f(a)}{1-a^2}$

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Similar Questions

$x=\frac{\pi^2}{4}$ આગળ,$\frac{d}{d x}\left(\tan ^{-1}(\cos \sqrt{x})+\sec ^{-1}\left(e^x\right)\right)$ ની કિંમત શોધો.

જો $f : R \to R$ એક યુગ્મ વિધેય (even function) હોય, તો નીચેનામાંથી કયું સત્ય છે?

જો $y = (x \cot^3 x)^{3/2}$ હોય,તો $\frac{dy}{dx} = $

જો $\frac{d}{d x}\left[(x+1)\left(x^2+1\right)\left(x^4+1\right)\left(x^8+1\right)\right] = \left(15 x^p-16 x^q+1\right)(x-1)^{-2}$ હોય, તો $(p, q)$ ની કિંમત શોધો.

જો $f(x) = \sqrt{\cos^{-1} \sqrt{1-x^2}}$ હોય, તો $f^{\prime}\left(\frac{1}{2}\right) = $

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