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

  • 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

$\int \sqrt{1+2 \cot x(\cot x+\operatorname{cosec} x)} \, dx = $

$\int \frac{dx}{\cos 2x - \cos^2 x} = $

જો $\int \frac{(x - 1)^2}{(x^2 + 1)^2} dx = \tan^{-1} (x) + g(x) + k$ હોય,તો $g(x)$ ની કિંમત શોધો.

$\int \frac{\sin \frac{5x}{2}}{\sin \frac{x}{2}} dx$ ની કિંમત શોધો (જ્યાં $c$ એ સંકલનનો અચળાંક છે).

વિધેય $\cos 2x \cos 4x \cos 6x$ નું સંકલન શોધો.

Difficult
View Solution

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