જો $f(x) = \frac{\sin^{2} x}{1+\cot x} + \frac{\cos^{2} x}{1+\tan x}$ હોય,તો $f^{\prime}\left(\frac{\pi}{4}\right)$ શોધો.

  • A
    $\sqrt{3}$
  • B
    $\frac{1}{\sqrt{3}}$
  • C
    $0$
  • D
    $-\sqrt{3}$

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$\frac{d}{dx} \log |x| = ......, (x \ne 0)$

જો $\frac{d}{d x}\left(\frac{1+x^2+x^4}{1+x+x^2}\right)=a x+b$ હોય,તો $(a, b)=$

જો $y = 1 + x + \frac{x^2}{2!} + \frac{x^3}{3!} + \dots + \frac{x^n}{n!}$ હોય,તો $\frac{dy}{dx} = $

$f(x) = \sin 2x$ નું વિકલન શોધો.

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