$\int \frac{d\theta}{\sin \theta \cos^3 \theta} = $

  • A
    $\log \tan \theta + \tan^2 \theta + c$
  • B
    $\log \tan \theta - \frac{1}{2} \tan^2 \theta + c$
  • C
    $\log \tan \theta + \frac{1}{2} \tan^2 \theta + c$
  • D
    આમાંથી કોઈ પણ નહીં

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જો $\int \frac{x^3}{\sqrt{1+x^2}} d x=A(1+x^2)^{\frac{3}{2}}+B(1+x^2)^{\frac{1}{2}}+C$ હોય,તો $A+B=$

$\int \frac{dx}{\sqrt{x}+x} = $

$\int \frac{(3 x-2) \tan \left(\sqrt{9 x^2-12 x+1}\right)}{\sqrt{9 x^2-12 x+1}} d x=$

$\int \frac{1}{x^2\sqrt{1+x^2}} dx =$

$\int \frac{x^3}{\sqrt{1+x^2}} dx = a(1+x^2)^{\frac{3}{2}} + b \sqrt{1+x^2} + c$,(જ્યાં $c$ એ સંકલનનો અચળાંક છે). $a+b$ ની કિંમત શોધો.

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