$|x| < 1$ के लिए,$x$ की बढ़ती घातों में $\log(1+x+x^2)$ के विस्तार में $x^3$ का गुणांक क्या है ($/3$ में)?

  • A
    $2$
  • B
    $4$
  • C
    $-2$
  • D
    $-4$

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Similar Questions

$\frac{1}{1 \cdot 3} + \frac{1}{2 \cdot 5} + \frac{1}{3 \cdot 7} + \frac{1}{4 \cdot 9} + \dots$ का मान ज्ञात कीजिए।

$(0.5) - \frac{(0.5)^2}{2} + \frac{(0.5)^3}{3} - \frac{(0.5)^4}{4} + \dots$

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

यदि $y = x - \frac{x^2}{2!} + \frac{x^3}{3!} - \frac{x^4}{4!} + \dots$ है,तो $x = $

$\frac{1}{1 \cdot 2} - \frac{1}{2 \cdot 3} + \frac{1}{3 \cdot 4} - \frac{1}{4 \cdot 5} + \dots \infty = $

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