$\frac{d}{dx} \left( \sqrt{3} \sin \left(2x + \frac{\pi}{3} \right) + \cos \left(2x + \frac{\pi}{3} \right) \right) = $ . . . . . .

  • A
    $4 \cos 2x$
  • B
    $-4 \sin 2x$
  • C
    $4 \sin 2x$
  • D
    $-4 \cos 2x$

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अवकलन ज्ञात कीजिए: $\frac{d}{dx} \{ e^{-ax^2} \log(\sin x) \}$

यदि $f(x) = x \tan^{-1} x$ है,तो $\lim_{x \rightarrow 1} \frac{f(x) - f(1)}{x - 1}$ का मान ज्ञात कीजिए।

यदि $y = \cos^{-1}(\tanh x) + \sinh(\sin 6x)$ है, तो $\frac{dy}{dx} =$

$x$ के सापेक्ष $\sin \left(\cos \left(x^{2}\right)\right)$ का अवकलन कीजिए।

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