यदि $\log (1 - x + {x^2}) = {a_1}x + {a_2}{x^2} + {a_3}{x^3} + \dots$ है,तो ${a_3} + {a_6} + {a_9} + \dots$ का मान ज्ञात कीजिए।

  • A
    $\log 2$
  • B
    $\frac{2}{3}\log 2$
  • C
    $\frac{1}{3}\log 2$
  • D
    $2\log 2$

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Similar Questions

यदि $x, y, z$ तीन क्रमागत धनात्मक पूर्णांक हैं,तो $\frac{1}{2}\log_e x + \frac{1}{2}\log_e z + \frac{1}{2xz + 1} + \frac{1}{3}\left( \frac{1}{2xz + 1} \right)^3 + \dots = $

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?

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

श्रेणी $x \log _e a + \frac{x^3}{3!} (\log _e a)^3 + \frac{x^5}{5!} (\log _e a)^5 + \dots$ का मान क्या है?

$\frac{1}{2 \cdot 3} + \frac{1}{4 \cdot 5} + \frac{1}{6 \cdot 7} + \frac{1}{8 \cdot 9} + \dots$ का मान ज्ञात कीजिए।

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