$\frac{(1 + x)^2}{(1 - x)^3}$ માં $x^n$ નો સહગુણક શું છે?

  • A
    $3n^2 + 2n + 1$
  • B
    $2n^2 + 2n + 1$
  • C
    $n^2 + n + 1$
  • D
    $2n^2 - 2n + 1$

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$0 < x < 1$ માટે,$\left(1+\frac{1}{x}\right)^{\frac{1}{2}}$ નું વિસ્તરણ શું છે?

જો $(1 + x)^m$ ના દ્વિપદી વિસ્તરણમાં ત્રીજું પદ $-\frac{1}{8}x^2$ હોય,તો $m$ ની સંમેય કિંમત શોધો.

$1 - \frac{3}{16} + \frac{1 \cdot 4}{1 \cdot 2} \left(\frac{3}{16}\right)^2 - \frac{1 \cdot 4 \cdot 7}{1 \cdot 2 \cdot 3} \left(\frac{3}{16}\right)^3 + \ldots$

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

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

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