$1 + \frac{(\log_e n)^2}{2!} + \frac{(\log_e n)^4}{4!} + \dots = $

  • A
    $n$
  • B
    $1/n$
  • C
    $\frac{1}{2}(n + n^{-1})$
  • D
    $\frac{1}{2}(e^n + e^{-n})$

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Similar Questions

$\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 = $

$\log_{10}\left(\frac{n}{n-1}\right)$ ના વિસ્તરણમાં $n^{-r}$ નો સહગુણક શું છે?

$\cosh^{-1} 2 = $

શ્રેણી $\frac{1}{2 \times 3} + \frac{1}{4 \times 5} + \frac{1}{6 \times 7} + \dots = $ નો સરવાળો શોધો.

$|x| < 1$ માટે,$x$ ની ચડતી ઘાતમાં $\log(1+x+x^2)$ ના વિસ્તરણમાં $x^3$ નો સહગુણક શું છે ($/3$ માં)?

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