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

  • 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 $\alpha = \frac{5}{2! \times 3} + \frac{5 \times 7}{3! \times 3^2} + \frac{5 \times 7 \times 9}{4! \times 3^3} + \ldots$ હોય,તો $\alpha^2 + 4\alpha =$

પદાવલિ $\frac{1}{\sqrt{5 + 4x}}$ નું દ્વિપદી પ્રમેય દ્વારા વિસ્તરણ કરી શકાય,જો

જો $x = \frac{3}{4 \cdot 8} + \frac{3 \cdot 5}{4 \cdot 8 \cdot 12} + \frac{3 \cdot 5 \cdot 7}{4 \cdot 8 \cdot 12 \cdot 16} + \ldots$ હોય,તો $2x^2 + 5x =$

$\frac{1}{\sqrt[3]{(1-2 x)^2}}$ ના વિસ્તરણમાં $x^r$ નો સહગુણક શું છે?

$1+\frac{1}{3}+\frac{1 \times 3}{3 \times 6}+\frac{1 \times 3 \times 5}{3 \times 6 \times 9}+\ldots \text{ to } \infty =$

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