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

  • 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

फलन $\tan ^{4} x$ का समाकलन ज्ञात कीजिए।

Difficult
View Solution

यदि $\int \frac{f(x)}{\log (\sin x)} d x=\log [\log \sin x]+c$ है,तो $f(x)=$

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

$\int \frac{dx}{\sqrt{x^2 - a^2}}$ का मान क्या है?

$\int \frac{\sin \frac{5x}{2}}{\sin \frac{x}{2}} dx = $ (जहाँ $C$ समाकलन का एक स्थिरांक है।)

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