$1+\frac{4}{15}+\frac{4 \times 10}{15 \times 30}+\frac{4 \times 10 \times 16}{15 \times 30 \times 45}+\ldots \quad \infty=$

  • A
    $\left(\frac{3}{5}\right)^{2 / 3}$
  • B
    $\left(\frac{5}{3}\right)^{2 / 3}$
  • C
    $\left(\frac{3}{5}\right)^{3 / 2}$
  • D
    $\left(\frac{5}{3}\right)^{3 / 2}$

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Similar Questions

જો $(a+bx)^{-3} = \frac{1}{27} + \frac{1}{3}x + \dots$ હોય,તો ક્રમયુક્ત જોડ $(a, b)$ ની કિંમત શોધો.

$\frac{1+4x-3x^2}{(1+3x)^3}$ ના પાવર શ્રેણી વિસ્તરણમાં $x^3$ નો સહગુણક શું છે?

જો $x = \frac{2 \cdot 5}{(2!) 3} + \frac{2 \cdot 5 \cdot 7}{(3!) 3^2} + \frac{2 \cdot 5 \cdot 7 \cdot 9}{(4!) 3^3} + \dots$ હોય,તો $x^2 + 8x + 8 = $

જો $y = \frac{3}{4} + \frac{3 \times 5}{4 \times 8} + \frac{3 \times 5 \times 7}{4 \times 8 \times 12} + \ldots$ અનંત સુધી હોય,તો

$1 - \frac{1}{8} + \frac{1}{8} \cdot \frac{3}{16} - \frac{1 \cdot 3 \cdot 5}{8 \cdot 16 \cdot 24} + \dots =$

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