જો $\int \frac{x^{49} \tan ^{-1}(x^{50})}{1+x^{100}} d x=k(\tan ^{-1}(x^{50}))^2+c$ હોય, તો $k=$

  • A
    $\frac{-1}{100}$
  • B
    $\frac{1}{50}$
  • C
    $\frac{-1}{50}$
  • D
    $\frac{1}{100}$

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જો $l^r(x)$ એ $x$ નો $r$-મો પુનરાવર્તિત લઘુગણક દર્શાવે છે,એટલે કે $l^1(x) = \log(x)$,$l^2(x) = \log(\log(x))$,...,$l^r(x) = \log(\log(...\log(x)...))$,તો $\int \frac{1}{x \cdot l^1(x) \cdot l^2(x) \cdot ... \cdot l^r(x)} \, dx = $

Difficult
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$\int \frac{dx}{x + x \log x} = $

$\int \frac{\sqrt{\cot x}}{\sin x \cos x} d x = -f(x) + c$ હોય, તો $f(x)$ શોધો.

વિધેયનું સંકલન કરો: $\frac{x^{2}}{\sqrt{x^{6}+a^{6}}}$

$f(x) = \frac{x}{1 + x^2}$ નો આદિ વિધેય (primitive) શોધો:

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