$1 + \frac{2}{1 \times 2 \times 3} + \frac{2}{3 \times 4 \times 5} + \frac{2}{5 \times 6 \times 7} + \dots$ નો સરવાળો કેટલો થાય?

  • A
    $2 \ln 2$
  • B
    $\ln 2$
  • C
    $3 \ln 3$
  • D
    $3 \ln 2$

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Similar Questions

$2 \ln x - \ln(x + 1) - \ln(x - 1)$ ના વિસ્તરણમાં,$x^{-4}$ નો સહગુણક શું છે?

ધારો કે $x \in R$ અને $|x| < 1$. તો $\tanh ^{-1} x=$

$\frac{1}{1 \cdot 3} + \frac{1}{2 \cdot 5} + \frac{1}{3 \cdot 7} + \frac{1}{4 \cdot 9} + \dots$ ની કિંમત શોધો.

$\cosh^{-1} 2 = $

જો $|a| < 1$ અને $b = \sum_{k=1}^{\infty} \frac{a^k}{k}$ હોય,તો $a$ ની કિંમત શું થાય?

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