$\log_e \frac{1}{1 - x - x^2 + x^3}$ के विस्तार में,$x$ का गुणांक है

  • A
    $0$
  • B
    $1$
  • C
    $-1$
  • D
    $0.5$

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Similar Questions

$\frac{2}{1} \cdot \frac{1}{3} + \frac{3}{2} \cdot \frac{1}{9} + \frac{4}{3} \cdot \frac{1}{27} + \frac{5}{4} \cdot \frac{1}{81} + \dots \infty = $

$\frac{1}{2} - \frac{1}{2 \cdot 2^2} + \frac{1}{3 \cdot 2^3} - \frac{1}{4 \cdot 2^4} + \ldots$ का मान ज्ञात कीजिए।

यदि $|x| < 1$ और $y = x - \frac{x^2}{2} + \frac{x^3}{3} - \frac{x^4}{4} + \ldots$ है,तो $x$ का मान क्या होगा?

$1+\frac{1}{3 \cdot 2^2}+\frac{1}{5 \cdot 2^4}+\frac{1}{7 \cdot 2^6}+\ldots$ का मान ज्ञात कीजिए।

यदि $x = \operatorname{sech}^{-1} \frac{1}{2} + \tanh^{-1} \frac{1}{2}$ है,तो $\cosh x =$

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