यदि $\tan^{-1} 2x + \tan^{-1} 3x = \frac{\pi}{4}$ है,तो $x =$

  • A
    $-1$
  • B
    $\frac{1}{6}$
  • C
    $-1, \frac{1}{6}$
  • D
    इनमें से कोई नहीं

Explore More

Similar Questions

यदि ${x_1}, {x_2}, {x_3}, {x_4}$ समीकरण ${x^4} - {x^3}\sin 2\beta + {x^2}\cos 2\beta - x\cos \beta - \sin \beta = 0$ के मूल हैं,तो ${\tan ^{ - 1}}{x_1} + {\tan ^{ - 1}}{x_2} + {\tan ^{ - 1}}{x_3} + {\tan ^{ - 1}}{x_4} = $

Difficult
View Solution

$2 \tan ^{-1} \frac{1}{5}+\sec ^{-1} \frac{5 \sqrt{2}}{7}+2 \tan ^{-1} \frac{1}{8}=$

$\sin^{-1} \sqrt{\frac{x}{x+a}}$ का मान किसके बराबर है?

श्रेणी $\cot^{-1} 3 + \cot^{-1} 7 + \cot^{-1} 13 + \cot^{-1} 21 + \dots$ के प्रथम $n$ पदों का योग क्या है?

Difficult
View Solution

यदि $\cos ^{-1} x+\cos ^{-1} y+\cos ^{-1} z=3 \pi$ है, तो

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