અનંત શ્રેણી $\frac{1}{1 \times 2} - \frac{1}{2 \times 3} + \frac{1}{3 \times 4} - \dots \infty$ નો સરવાળો કેટલો થાય?

  • A
    $2 \log_e 2$
  • B
    $\log_e 2 - 1$
  • C
    $\log_e 2$
  • D
    $\log_e \left( \frac{4}{e} \right)$

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Similar Questions

$\frac{1}{1 \cdot 3} + \frac{1}{2} \cdot \frac{1}{3 \cdot 5} + \frac{1}{3} \cdot \frac{1}{5 \cdot 7} + \dots \infty = $

જો $|x| < 1$ હોય,તો $(1 - x) \ln(1 - x)$ ના વિસ્તરણમાં $x^5$ નો સહગુણક શું થાય?

જો $y = x - \frac{x^2}{2!} + \frac{x^3}{3!} - \frac{x^4}{4!} + \dots$ હોય,તો $x = $

$e^{\left( {x - \frac{1}{2}{(x - 1)}^2 + \frac{1}{3}{(x - 1)}^3 - \frac{1}{4}{(x - 1)}^4 + \dots} \right)}$ ની કિંમત શું થાય?

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

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