જો $\int(\sqrt{\operatorname{cosec} x+1}) d x=k \tan ^{-1}(f(x))+c$ હોય, તો $\frac{1}{k} f\left(\frac{\pi}{6}\right)=$

  • A
    $\frac{1}{2}$
  • B
    $\frac{1}{4}$
  • C
    $-\frac{1}{4}$
  • D
    $-\frac{1}{2}$

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જો $\int \frac{2 x^{12}+5 x^9}{\left(1+x^3+x^5\right)^3} d x=\frac{x^m}{l\left(1+x^3+x^5\right)^r}+C$ હોય, તો $\frac{m-l}{r}=$

સંકલનનું મૂલ્ય શોધો: $\int \sqrt{4x(4x + 4)} \, dx$

$\int \frac{dx}{a^2 \sin^2 x + b^2 \cos^2 x}$ ની કિંમત શું થાય?

વિધાન $(A)$: જો $I_n = \int \cot^n x \, dx$ હોય,તો $I_6 + I_4 = \frac{-\cot^5 x}{5}$ થાય.
કારણ $(R)$: $\int \cot^n x \, dx = \frac{-\cot^{n-1} x}{n-1} - \int \cot^{n-2} x \, dx$.

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