$\frac{d}{dx}\{ \log (\sec x + \tan x)\} = $

  • A
    $\cos x$
  • B
    $\sec x$
  • C
    $\tan x$
  • D
    $\cot x$

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Similar Questions

मान ज्ञात कीजिए: $\frac{d}{d x}\left[e^{\tan ^{-1} x+\cot ^{-1} x}+\frac{x}{2} \sqrt{a^2-x^2}+\frac{a^2}{2} \sin ^{-1} \frac{x}{a}\right]$

$\frac{d}{d x}\left[a \tan ^{-1} x+b \log \left(\frac{x-1}{x+1}\right)\right]=\frac{1}{x^4-1}$
$\Rightarrow a-2 b$ का मान ज्ञात कीजिए।

यदि $y = \frac{x^{2/3} - x^{-1/3}}{x^{2/3} + x^{-1/3}}$,$x \neq 0$ है,तो $(x+1)^2 y_1 = $

एक फलन $f$ जो सभी $x$ के लिए $f'( \sin x ) = \cos^2 x$ और $f(1) = 1$ को संतुष्ट करता है,वह है :

यदि $y = x \sin x$ और $x = \alpha$ पर $\frac{\frac{dy}{dx} - \frac{y}{x}}{x \frac{dy}{dx} - y} = 1$ है, तो $\alpha =$

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