$\log_a(1 + x)$ ના વિસ્તરણમાં $x^n$ નો સહગુણક શું છે?

  • A
    $\frac{(-1)^{n-1}}{n}$
  • B
    $\frac{(-1)^{n-1}}{n} \log_a e$
  • C
    $\frac{(-1)^{n-1}}{n} \log_e a$
  • D
    $\frac{(-1)^n}{n} \log_a e$

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Similar Questions

જો $P = 1 + \frac{1}{2 \times 2} + \frac{1}{3 \times 2^{2}} + \dots$ અને $Q = \frac{1}{1 \times 2} + \frac{1}{3 \times 4} + \frac{1}{5 \times 6} + \dots$ હોય, તો

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

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

$1+\frac{1}{3 \cdot 2^2}+\frac{1}{5 \cdot 2^4}+\frac{1}{7 \cdot 2^6}+\ldots$ ની કિંમત શોધો.

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