यदि $\int \frac{\cos x \, dx}{\sin ^{3} x \left(1+\sin ^{6} x\right)^{2 / 3}} = f(x) \left(1+\sin ^{6} x\right)^{1 / \lambda} + c$ जहाँ $c$ समाकलन का एक स्थिरांक है,तो $\lambda f\left(\frac{\pi}{3}\right)$ का मान ज्ञात कीजिए।

  • A
    $-2$
  • B
    $-\frac{9}{8}$
  • C
    $2$
  • D
    $\frac{9}{8}$

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मान लीजिए $\beta(m, n) = \int_0^1 x^{m-1}(1-x)^{n-1} dx$,जहाँ $m, n > 0$ है। यदि $\int_0^1 (1-x^{10})^{20} dx = a \times \beta(b, c)$ है,तो $100(a+b+c)$ का मान ज्ञात कीजिए:

समाकलन $\int \frac{1}{\sqrt{(x-1)(x-2)}} dx$ 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:

$\int \frac{d x}{\left(2 a x+x^2\right)^{\frac{3}{2}}} = $

$\int \frac{d x}{4 \sin x+3 \cos x}=$

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