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

  • A
    $-\tan ^{-1} \frac{\sqrt{x^2+2}}{|x|}+c$
  • B
    $-\tan ^{-1} \sqrt{x^2+2}+c$
  • C
    $\tan ^{-1} \sqrt{\frac{x^2+1}{x^2+2}}+c$
  • D
    $-\tan ^{-1} \sqrt{\frac{x^2+2}{x^2+1}}+c$

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यदि $\int(x+2) \sqrt{x^2-x+2} \, dx = \frac{1}{3} f(x) + \frac{5}{8} g(x) + \frac{35}{16} h(x) + c$ है, तो $f(-1) + g(-1) + h\left(\frac{1}{2}\right) = $

समाकलन $\int\left(\left(\frac{x}{2}\right)^x+\left(\frac{2}{x}\right)^x\right) \log _2 x \, dx$ किसके बराबर है?

$\int \frac{2x + 1}{(x^2 + 4x + 1)^{3/2}} \, dx$

Difficult
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समाकल का मान ज्ञात कीजिए: $\int \sqrt{4x(4x + 4)} \, dx$

$\int \frac{f(x) \varphi^{\prime}(x)+\varphi(x) f^{\prime}(x)}{(f(x) \varphi(x)+1) \sqrt{f(x) \varphi(x)-1}} dx=$

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