જો $y = \frac{\cos 6x + 6\cos 4x + 15\cos 2x + 10}{\cos 5x + 5\cos 3x + 10\cos x}$ હોય,તો $\frac{dy}{dx} = $

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

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Similar Questions

$\frac{d}{dx}(\sin 2x^2)$ બરાબર શું થાય?

$\frac{d}{dx} \sqrt{\frac{1 - \sin 2x}{1 + \sin 2x}} = $

$\frac{d}{dx} \left( \frac{\sec x + \tan x}{\sec x - \tan x} \right) = $

$\frac{d}{d x}\left(e^{\log _e \sqrt{1+\tan ^2 x}}\right) =$

ધારો કે $f(x) = \frac{(2^x + 2^{-x}) \tan x \sqrt{\tan^{-1}(x^2 - x + 1)}}{(7x^2 + 3x + 1)^3}$ છે. તો $f'(0)$ નું મૂલ્ય શોધો.

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