$\frac{d}{d x}\left[\left(\sqrt{x}+\frac{1}{\sqrt{x}}\right)^2\right]=$ . . . . . .

  • A
    $1-\frac{1}{x^2}$
  • B
    $1+\log x$
  • C
    $1+\frac{1}{x^2}$
  • D
    $2 x-\frac{2}{x^3}$

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વિધેય $(ax+b)(cx+d)^{2}$ નું $x$ ની સાપેક્ષમાં વિકલન શોધો,જ્યાં $a, b, c, d$ એ શૂન્યતર અચળાંકો છે.

ધારો કે $f(x) = \frac{(2^x + 2^{-x}) \tan x \sqrt{\tan^{-1}(x^2 - x + 1)}}{(7x^2 + 3x + 1)^3}$ છે. તો $f'(0)$ નું મૂલ્ય શોધો.

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

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