જો $y=\log_{\sin x} \tan x$ હોય,તો $\left(\frac{dy}{dx}\right)_{x=\frac{\pi}{4}}$ નું મૂલ્ય શોધો.

  • A
    $\frac{4}{\log 2}$
  • B
    $-3 \log 2$
  • C
    $\frac{-4}{\log 2}$
  • D
    $3 \log 2$

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જો $y = e^{m \sin^{-1} x}$ અને $(1 - x^2) (\frac{dy}{dx})^2 = A y^2$ હોય,તો $A = . . . . . .$

$\frac{d}{dx}(\log_5 x^2) = $ . . . . . .

જો $y = \log \left[ \frac{x + \sqrt{x^2 + 25}}{\sqrt{x^2 + 25} - x} \right]$ હોય,તો $\frac{dy}{dx} = \dots$

$\frac{d}{dx} [\log(\cos x)]$

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