यदि $\int \left( \frac{4 e^x + 6 e^{-x}}{9 e^x - 4 e^{-x}} \right) d x = A x + B \log |9 e^{2 x} - 4| + C$ है,तो $(A, B) = $

  • A
    $(\frac{3}{2}, \frac{35}{36})$
  • B
    $(-\frac{3}{2}, -\frac{35}{36})$
  • C
    $(-\frac{3}{2}, \frac{35}{36})$
  • D
    $(\frac{3}{2}, -\frac{35}{36})$

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$\int {\frac{{{x^2} - 1}}{{{x^4} + {x^2} + 1}}} \,dx$ का मान ज्ञात कीजिए।

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 $\int \frac{3e^x - 5e^{-x}}{4e^x + 5e^{-x}} dx = px + q \cdot \log |4e^x + 5e^{-x}| + C$ है,तो

$\int e^{\sin x} \frac{(x \cos^3 x - \sin x)}{\cos^2 x} dx =$

यदि $\int \frac{e^{\frac{x}{2}}}{\sqrt{e^{-x}-e^x}} \, dx = \sin^{-1}(f(x)) + C$,(जहाँ $C$ समाकलन का स्थिरांक है),तो $f(2)$ का मान ज्ञात कीजिए:

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