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

  • A
    $\log_e\left(1 + \frac{1}{x}\right)$
  • B
    $\log_e\left(1 - \frac{1}{x}\right)$
  • C
    $\log_e\left(\frac{x}{x + 1}\right)$
  • D
    इनमें से कोई नहीं

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Similar Questions

$\frac{2}{1} \cdot \frac{1}{3} + \frac{3}{2} \cdot \frac{1}{9} + \frac{4}{3} \cdot \frac{1}{27} + \frac{5}{4} \cdot \frac{1}{81} + \dots \infty = $

$\cosh^{-1} 2 = $

मान ज्ञात कीजिए: $\log_e \sqrt{\frac{1+x}{1-x}}$

$\frac{(a - 1) - \frac{(a - 1)^2}{2} + \frac{(a - 1)^3}{3} - \dots \infty}{(b - 1) - \frac{(b - 1)^2}{2} + \frac{(b - 1)^3}{3} - \dots \infty} = $

श्रेणी $\frac{1}{2 \times 3} + \frac{1}{4 \times 5} + \frac{1}{6 \times 7} + \dots = $ का योग ज्ञात कीजिए।

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