જો $a_1, a_2, a_3, \dots, a_n$ એ $d$ સામાન્ય તફાવત ધરાવતી $A.P.$ હોય,તો $\tan \left[ \tan^{-1} \left( \frac{d}{1 + a_1 a_2} \right) + \tan^{-1} \left( \frac{d}{1 + a_2 a_3} \right) + \dots + \tan^{-1} \left( \frac{d}{1 + a_{n-1} a_n} \right) \right] = $

  • A
    $\frac{(n - 1)d}{a_1 + a_n}$
  • B
    $\frac{(n - 1)d}{1 + a_1 a_n}$
  • C
    $\frac{nd}{1 + a_1 a_n}$
  • D
    $\frac{a_n - a_1}{a_n + a_1}$

Explore More

Similar Questions

જો $x = \sin \left( 2 \tan^{-1} 2 \right)$ અને $y = \sin \left( \frac{1}{2} \tan^{-1} \frac{4}{3} \right)$ હોય,તો -

જો $y = \tan^{-1}(\sec x - \tan x)$ હોય,તો $\frac{dy}{dx} = $

જો $\cos^{-1} x - \cos^{-1} \frac{y}{2} = \alpha$,જ્યાં $-1 \le x \le 1$,$-2 \le y \le 2$,અને $x \le \frac{y}{2}$ હોય,તો તમામ $x, y$ માટે $4x^2 - 4xy \cos \alpha + y^2$ ની કિંમત શું થાય?

ત્રિકોણમિતીય સમીકરણ $\tan ^{-1}\left(\frac{x-1}{x-2}\right)+\tan ^{-1}\left(\frac{x+1}{x+2}\right)=\frac{\pi}{4}$ નું સમાધાન કરતા $x$ ના શક્ય મૂલ્યો કયા છે?

$\left[\sin \left(\tan ^{-1} \frac{3}{4}\right)\right]^{2}+\left[\sin \left(\tan ^{-1} \frac{4}{3}\right)\right]^{2}=$

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