$\frac{1}{n^2} + \frac{1}{2n^4} + \frac{1}{3n^6} + \dots \infty = $

  • A
    $\log_e \left( \frac{n^2}{n^2 + 1} \right)$
  • B
    $\log_e \left( \frac{n^2 + 1}{n^2} \right)$
  • C
    $\log_e \left( \frac{n^2}{n^2 - 1} \right)$
  • D
    આમાંથી કોઈ નહીં

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Similar Questions

જો $y = - \left( {{x^3} + \frac{{{x^6}}}{2} + \frac{{{x^9}}}{3} + \dots} \right)$ હોય,તો $x = $

શ્રેણી $x \log _e a + \frac{x^3}{3!} (\log _e a)^3 + \frac{x^5}{5!} (\log _e a)^5 + \dots$ નું મૂલ્ય શું છે?

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

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

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

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