यदि $S = \frac{1}{1 \times 2} - \frac{1}{2 \times 3} + \frac{1}{3 \times 4} - \frac{1}{4 \times 5} + \dots + \infty$ है,तो $e^S = $

  • A
    $\log_e \left( \frac{4}{e} \right)$
  • B
    $\frac{4}{e}$
  • C
    $\log_e \left( \frac{e}{4} \right)$
  • D
    $\frac{e}{4}$

Explore More

Similar Questions

$\cosh^{-1} 2 = $

$e^{\left( {x - \frac{1}{2}{(x - 1)}^2 + \frac{1}{3}{(x - 1)}^3 - \frac{1}{4}{(x - 1)}^4 + \dots} \right)}$ का मान क्या है?

यदि $\alpha, \beta$ समीकरण $x^2 - px + q = 0$ के मूल हैं,तो $\log_e(1 + px + qx^2) = $

यदि $1+\frac{\sqrt{3}-\sqrt{2}}{2 \sqrt{3}}+\frac{5-2 \sqrt{6}}{18}+\frac{9 \sqrt{3}-11 \sqrt{2}}{36 \sqrt{3}}+\frac{49-20 \sqrt{6}}{180}+\ldots$ अनंत तक $= 2\left(\sqrt{\frac{b}{a}}+1\right) \log _e\left(\frac{a}{b}\right)$,जहाँ $a$ और $b$ पूर्णांक हैं और $\operatorname{gcd}(a, b)=1$,तो $11 a+18 b$ का मान ............... है।

यदि $y = - \left( {{x^3} + \frac{{{x^6}}}{2} + \frac{{{x^9}}}{3} + \dots} \right)$ है,तो $x = $

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