$\int \frac{dx}{(1 + x^2)\sqrt{1 - x^2}} = $

  • A
    $\frac{1}{\sqrt{2}} \tan^{-1} \left[ \frac{\sqrt{1 - x^2}}{x\sqrt{2}} \right] + c$
  • B
    $\frac{1}{\sqrt{2}} \tan^{-1} \left[ \frac{x\sqrt{2}}{\sqrt{1 - x^2}} \right] + c$
  • C
    $\sqrt{2} \tan^{-1} \left[ \frac{\sqrt{1 - x^2}}{x\sqrt{2}} \right] + c$
  • D
    $-\sqrt{2} \tan^{-1} \left[ \frac{\sqrt{1 - x^2}}{x\sqrt{2}} \right] + c$

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निम्नलिखित कथनों का अवलोकन करें:
$A: \int \left(\frac{x^2-1}{x^2}\right) e^{\frac{x^2+1}{x}} d x = e^{\frac{x^2+1}{x}} + c$
$R: \int f^{\prime}(x) e^{f(x)} d x = f(x) + c$
तो निम्नलिखित में से कौन सा सत्य है?

$\int \frac{d x}{(x+1)^{3 / 4}(x-2)^{5 / 4}}$ का मान ज्ञात कीजिए।

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