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

  • A
    $\frac{2}{\sqrt{3}} \log \left(\frac{2x+1+\sqrt{3}}{2x-1-\sqrt{3}}\right)+c$
  • B
    $\frac{1}{\sqrt{3}} \log \left(\frac{2x+1-\sqrt{3}}{2x+1+\sqrt{3}}\right)+c$
  • C
    $\frac{2}{\sqrt{3}} \tan^{-1}\left(\frac{2x+1}{\sqrt{3}}\right)+c$
  • D
    $\frac{2}{\sqrt{5}} \tan^{-1}\left(\frac{2x+1}{\sqrt{5}}\right)+c$

Explore More

Similar Questions

જો $\int \frac{x + 1}{x^2 + 1} dx = \tan^{-1} x + g(x) + c$, જ્યાં $c$ એ સંકલનનો અચળાંક છે, તો વિધેય $g(x)$ કયા અંતરાલમાં વધતું વિધેય (monotonically increasing) છે?

નીચેના સંકલિત શોધો: $\int \frac{dx}{\sqrt{5x^{2}-2x}}$

$\int \frac{\cos x+x \sin x}{x(x+\cos x)} d x=$

$\int(\cot x \cot (x+\alpha)+1) d x=$

$\int \sqrt{1 + \sin x} \, dx = $

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo