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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$x > 0$ માટે,$x$ ની સાપેક્ષમાં $\cos (\log x + e^x)$ નું વિકલન કરો.

ધારો કે $f(x)$ એક વિકલનીય વિધેય છે જેથી $f(1)=2$,$f(2)=6$ અને $f(x+y)=f(x)+kxy+\frac{4}{3}y^2$ દરેક $x, y \in R$ માટે,તો $f(x)=$

$\frac{d}{d x}\left(\frac{2^x+3^x}{4^x}\right) = $ . . . . . .

$\frac{d}{dx} \sqrt{\frac{1 - \sin 2x}{1 + \sin 2x}} = $

$x$ ની સાપેક્ષે નીચેના વિધેયનું વિકલન કરો:
$e^{\sec ^{2} x}+3 \cos ^{-1} x$

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