$1 + \frac{2}{1 \times 2 \times 3} + \frac{2}{3 \times 4 \times 5} + \frac{2}{5 \times 6 \times 7} + \dots$ का योग क्या है?

  • A
    $2 \ln 2$
  • B
    $\ln 2$
  • C
    $3 \ln 3$
  • D
    $3 \ln 2$

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Similar Questions

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

$\log_e \left( 1 + ax^2 + a^2 + \frac{a}{x^2} \right)$ का मान क्या है?

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

श्रेणी का योग ज्ञात कीजिए: $\log_e \frac{4}{5} + \frac{1}{4} - \frac{1}{2} \left( \frac{1}{4} \right)^2 + \frac{1}{3} \left( \frac{1}{4} \right)^3 - \dots$

यदि $\alpha, \beta$ समीकरण $x^2 - px + q = 0$ के मूल हैं,तो $\log_e(1 + px + qx^2) = $

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