જો $y = \log x \cdot e^{(\tan x + x^2)}$ હોય,તો $\frac{dy}{dx} = $

  • A
    $e^{(\tan x + x^2)} \left[ \frac{1}{x} + (\sec^2 x + x) \log x \right]$
  • B
    $e^{(\tan x + x^2)} \left[ \frac{1}{x} + (\sec^2 x - x) \log x \right]$
  • C
    $e^{(\tan x + x^2)} \left[ \frac{1}{x} + (\sec^2 x + 2x) \log x \right]$
  • D
    $e^{(\tan x + x^2)} \left[ \frac{1}{x} + (\sec^2 x - 2x) \log x \right]$

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ધારો કે $f: R \rightarrow R$ એક વિધેય છે જેથી $f(x)=x^3+x^2 f^{\prime}(1)+x f^{\prime \prime}(2)+6, x \in R$,તો $f(2)$ ની કિંમત શોધો.

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