જો $4\left[ {{x^2} + \frac{{{x^6}}}{3} + \frac{{{x^{10}}}}{5} + \dots} \right] = {y^2} + \frac{{{y^4}}}{2} + \frac{{{y^6}}}{3} + \dots$ હોય,તો

  • A
    ${x^2}y = 2x - y$
  • B
    ${x^2}y = 2x + y$
  • C
    $x = 2{y^2} - 1$
  • D
    ${x^2}y = 2x + {y^2}$

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Similar Questions

જો $0 < x < 1$ હોય,તો $\frac{3}{2} x^{2} + \frac{5}{3} x^{3} + \frac{7}{4} x^{4} + \ldots$ ની કિંમત શોધો:

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

પદાવલિ $\log_{e} 2 + \log_{e} \left( 1 + \frac{1}{2} \right) + \log_{e} \left( 1 + \frac{1}{3} \right) + \dots + \log_{e} \left( 1 + \frac{1}{n - 1} \right)$ ની કિંમત શોધો.

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

$\log_e [(1 + x)^{1 + x} (1 - x)^{1 - x}] = $

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