यदि $\int {\frac{{2{x^2} + 3}}{{({x^2} - 1)({x^2} + 4)}}dx = a\log \left( {\frac{{x - 1}}{{x + 1}}} \right) + b\tan ^{ - 1}\frac{x}{2} + c}$ है,तो $a$ और $b$ के मान हैं:

  • A
    $(1, -1)$
  • B
    $(-1, 1)$
  • C
    $(\frac{1}{2}, -\frac{1}{2})$
  • D
    $(\frac{1}{2}, \frac{1}{2})$

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$x > 1$ के लिए,समाकलन $\int \frac{1}{x(x^4 - 1)} \, dx$ का मान ज्ञात कीजिए।

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$\int \frac{\cos x}{(1 + \sin x)(2 + \sin x)} \,dx = $

यदि $\int \frac{2x^2+3}{(x^2-1)(x^2-4)} dx = \log \left[\left(\frac{x-2}{x+2}\right)^a \cdot \left(\frac{x+1}{x-1}\right)^b\right] + c$,(जहाँ $c$ समाकलन का स्थिरांक है),तो $a+b$ का मान ज्ञात कीजिए।

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यदि $\int {\frac{{2x + 3}}{{(x - 1)({x^2} + 1)}}dx = {{\log }_e}\left\{ {{{(x - 1)}^{\frac{5}{2}}}{{({x^2} + 1)}^a}} \right\}} - \frac{1}{2}{\tan ^{ - 1}}x + A$,जहाँ $A$ एक स्वैच्छिक स्थिरांक है,तो $a$ का मान ज्ञात कीजिए।

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