$\int {\frac{{{x^2} + 1}}{{{x^4} - {x^2} + 1}}\,dx = }$

  • A
    ${\tan ^{ - 1}}\left( {\frac{{1 + {x^2}}}{x}} \right) + c$
  • B
    ${\cot ^{ - 1}}\left( {\frac{{1 + {x^2}}}{x}} \right) + c$
  • C
    ${\tan ^{ - 1}}\left( {\frac{{{x^2} - 1}}{x}} \right) + c$
  • D
    ${\cot ^{ - 1}}\left( {\frac{{{x^2} - 1}}{x}} \right) + c$

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સંકલન શોધો: $\int \frac{x^3 \, dx}{1+x^8}$

સંકલન $\int \frac{dx}{(x+4)^{\frac{8}{7}}(x-3)^{\frac{6}{7}}}$ ની કિંમત શોધો (જ્યાં $C$ એ સંકલનનો અચળાંક છે).

$\int {\left( {6{x^2} + 5x + 4} \right){{\left( {{x^2} + x + 1} \right)}^6} \cdot {x^{27}}dx} $ ની કિંમત શોધો (જ્યાં $C$ એ સંકલનનો અચળાંક છે)

$\int \frac{dx}{e^{-2x}(e^{2x} + 1)^2} = $

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

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