यदि $0 < a, b < 1$ और $\tan^{-1} a + \tan^{-1} b = \frac{\pi}{4}$ है,तो $(a+b) - \left(\frac{a^2+b^2}{2}\right) + \left(\frac{a^3+b^3}{3}\right) - \left(\frac{a^4+b^4}{4}\right) + \dots$ का मान ..... है।

  • A
    $\log_e 2$
  • B
    $e^2 - 1$
  • C
    $e$
  • D
    $\log_e \left(\frac{e}{2}\right)$

Explore More

Similar Questions

$\frac{4}{1 \times 3} - \frac{6}{2 \times 4} + \frac{12}{5 \times 7} - \frac{14}{6 \times 8} + \dots \infty = $

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

$\frac{1}{x + 1} + \frac{1}{2(x + 1)^2} + \frac{1}{3(x + 1)^3} + \dots \infty = $

यदि $y = x - \frac{x^2}{2} + \frac{x^3}{3} - \dots \infty$ है,तो $x = $

$\frac{m - n}{m + n} + \frac{1}{3}\left( \frac{m - n}{m + n} \right)^3 + \frac{1}{5}\left( \frac{m - n}{m + n} \right)^5 + \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