यदि $\int \frac{1+x^2}{1+x^4} dx=\frac{1}{\sqrt{2}} \tan ^{-1}\left[\frac{f(x)}{\sqrt{2}}\right]+c$ है,तो $f(x)=$

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

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यदि $\int \frac{dx}{(x^2+9) \sqrt{x^2+16}} = \frac{1}{3 \sqrt{7}} \operatorname{Tan}^{-1} \left( K \frac{x}{\sqrt{16+x^2}} \right) + c$ है, तो $K=$

$\int \left(x^{3m} + x^{2m} + x^m\right) \left(2x^{2m} + 3x^m + 6\right)^{\frac{1}{m}} dx = $

यदि $I=\int \frac{e^x}{e^{4 x}+e^{2 x}+1} \,d x$ और $J=\int \frac{e^{-x}}{e^{-4 x}+e^{-2 x}+1} \,d x$ है, तो किसी भी स्वेच्छ अचर $c$ के लिए, $J-I$ का मान क्या होगा?

यदि $\int {\frac{{{x^4} + 1}}{{x{{\left( {{x^2} + 1} \right)}^2}}}} dx = A \ln |x| + \frac{B}{{1 + {x^2}}} + c$,जहाँ $c$ समाकलन का स्थिरांक है,तो:

यदि $\int \left( \frac{1-5 \cos^{2}x}{\sin^{5}x \cos^{2}x} \right) dx = f(x) + C$ जहाँ $C$ समाकलन स्थिरांक है, तो $f(\frac{\pi}{6}) - f(\frac{\pi}{4})$ का मान ज्ञात कीजिए।

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