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

  • A
    $\frac{x^2}{2} + \frac{x^4}{4} + \frac{x^6}{6} + \dots \infty $
  • B
    $\frac{x^2}{1 \cdot 2} + \frac{x^4}{3 \cdot 4} + \frac{x^6}{5 \cdot 6} + \dots \infty $
  • C
    $2 \left[ \frac{x^2}{1 \cdot 2} + \frac{x^4}{3 \cdot 4} + \frac{x^6}{5 \cdot 6} + \dots \infty \right]$
  • D
    આમાંથી કોઈ નહીં

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