यदि $f(x) = \cos^{-1} x$,$g(x) = e^x$ और $h(x) = g(f(x))$ है,तो $\frac{h'(x)}{h(x)} = $

  • A
    $\frac{-1}{\sqrt{1-x^2}}$
  • B
    $\frac{-(e)^{\cos^{-1} x}}{\sqrt{1-x^2}}$
  • C
    $\frac{-1}{\sqrt{1-x^2}} e^x$
  • D
    $-\sqrt{1-x^2}$

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$x = 0$ और $dx = 0.2$ के लिए $f(x) = \log_{e}(1 + e^{10x}) - \tan^{-1}(e^{5x})$ का अवकलज (differential) क्या है?

यदि $f(x) = 4x^3 + 3x^2 + 3x + 4$,$x \neq 0$ है,तो $\frac{d}{dx}\left(x^3 \cdot f\left(\frac{1}{x}\right)\right) =$ . . . . . .

यदि $y = \sin(e^{\log 2x})$ है, तो $x = \frac{\pi}{2}$ पर $\frac{dy}{dx}$ का मान है

$x > 0$ और $(x \log x) < 1$ के लिए, यदि $y = \cot^{-1} \left( \frac{x - \log x}{x^2 \log_e x^2 + \log x^x} \right)$, तो $\frac{dy}{dx} = \dots$

यदि $y = (\cos x^{2})^{2}$ है,तो $\frac{dy}{dx}$ का मान ज्ञात कीजिए।

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