જો $y=\log _{10} x+\log _x 10+\log _x x+\log _{10} 10$ હોય,તો $\frac{d y}{d x}=$

  • A
    $\frac{1}{x \log _e 10}+\frac{1}{x \log _{10} e}$
  • B
    $\frac{1}{x \log _e 10}-\frac{\log _e 10}{x(\log _e x)^2}$
  • C
    $\frac{1}{x \log _e 10}+\frac{1}{x \log _{10} x}$
  • D
    $\frac{1}{x \log _e 10}-\frac{\log _e 10}{x(\log _{10} x)^2}$

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

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જો $y=2^{\log x}$ હોય,તો $\frac{d y}{d x}$ શું થાય?

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