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

  • A
    $\log_e 3$
  • B
    $\log_e 4$
  • C
    $\log_e \left( \frac{e}{2} \right)$
  • D
    $\log_e \left( \frac{2}{3} \right)$

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Similar Questions

विस्तार $\log_e(1 + x) = \sum\limits_{i = 1}^\infty \left[ \frac{(-1)^{i + 1}x^i}{i} \right]$ किसके लिए परिभाषित है:

$\frac{1}{2 \cdot 3} + \frac{1}{4 \cdot 5} + \frac{1}{6 \cdot 7} + \frac{1}{8 \cdot 9} + \dots$ का मान ज्ञात कीजिए।

$\log_e \left( 1 + ax^2 + a^2 + \frac{a}{x^2} \right)$ का मान क्या है?

यदि $S = \sum\limits_{n = 0}^\infty \frac{(\log x)^{2n}}{(2n)!}$ है,तो $S$ =

यदि $\tanh ^{-1} x = a \log \left(\frac{1+x}{1-x}\right)$, $|x| < 1$ है, तो $a$ का मान ज्ञात कीजिए।

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