$1 + \frac{4^2}{3!} + \frac{4^4}{5!} + \dots \infty = $

  • A
    $\frac{e^4 + e^{-4}}{4}$
  • B
    $\frac{e^4 - e^{-4}}{4}$
  • C
    $\frac{e^4 + e^{-4}}{8}$
  • D
    $\frac{e^4 - e^{-4}}{8}$

Explore More

Similar Questions

$\sum_{n=1}^{\infty} \frac{2n}{(2n+1)!}$ का मान ज्ञात कीजिए।

$\frac{e^{4x} - 1}{e^{2x}}$ के विस्तार में,$x^2$ का गुणांक क्या है?

$1 + \frac{1 + x}{2!} + \frac{1 + x + x^2}{3!} + \frac{1 + x + x^2 + x^3}{4!} + \dots \infty = $

$3 + \frac{5}{1!} + \frac{7}{2!} + \frac{9}{3!} + \dots \infty = $

योग $\sum \limits_{n=1}^{\infty} \frac{2n^2+3n+4}{(2n)!}$ किसके बराबर 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