$\left( {1 + \frac{1}{{2!}} + \frac{1}{{4!}} + \dots} \right) \left( {1 + \frac{1}{{3!}} + \frac{1}{{5!}} + \dots} \right) = $

  • A
    $e^4$
  • B
    $\frac{e^2 - 1}{e^2}$
  • C
    $\frac{e^4 - 1}{4e^2}$
  • D
    $\frac{e^4 + 1}{4e^2}$

Explore More

Similar Questions

જો $2 \sinh x = \cosh x$ હોય,તો $x =$

$\sum_{n=1}^{\infty} \frac{2n^2+n+1}{n!}$ ની કિંમત શોધો.

$\frac{2}{3!} + \frac{4}{5!} + \frac{6}{7!} + \dots \infty = $

$\sum_{n=1}^{\infty} \frac{2n}{(2n+1)!}$ ની કિંમત શોધો.

$\frac{x^2 - y^2}{1!} + \frac{x^4 - y^4}{2!} + \frac{x^6 - y^6}{3!} + \dots \infty = $

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