$\frac{d}{dx} \left( \frac{2 \tan x}{1 + \tan^2 x} \right) = $ . . . . . .

  • A
    $2 \cos 2x$
  • B
    $\sin 2x$
  • C
    $\cos 2x$
  • D
    $2 \sin 2x$

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Similar Questions

$\left\{\frac{d}{d x}\left(\sec x^{\circ}\right)\right\}_{x=30} = $ . . . . . . .

નીચેના વિધેયનું વિકલન શોધો: $\operatorname{cosec} x \cot x$.

$\frac{d}{d x}\left(\frac{x+5}{(x+1)^2(x+2)}\right)=$

જો $f(x)$ નું $x = a$ આગળ વિકલન શક્ય હોય,તો $\mathop {\lim }\limits_{x \to a} \frac{xf(a) - af(x)}{x - a}$ ની કિંમત શું થાય?

$x = 0$ અને $x = 3$ આગળ $f(x) = 3$ નું વિકલિત શોધો.

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