$\frac{1}{(2 + x)^4} = $

  • A
    $\frac{1}{2}\left( 1 - 2x + \frac{5}{2}x^2 - \dots \right)$
  • B
    $\frac{1}{16}\left( 1 - 2x + \frac{5}{2}x^2 - \dots \right)$
  • C
    $\frac{1}{16}\left( 1 + 2x + \frac{5}{2}x^2 + \dots \right)$
  • D
    $\frac{1}{2}\left( 1 + 2x + \frac{5}{2}x^2 + \dots \right)$

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Similar Questions

$1+\frac{2}{4}+\frac{2 \cdot 5}{4 \cdot 8}+\frac{2 \cdot 5 \cdot 8}{4 \cdot 8 \cdot 12}+\frac{2 \cdot 5 \cdot 8 \cdot 11}{4 \cdot 8 \cdot 12 \cdot 16}+\ldots \ldots$ ની કિંમત શોધો:

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

જો $\frac{(1+x)^2}{(1-2x)^3}$ ના વિસ્તરણમાં $x^{13}$ નો સહગુણક $A \times 2^{10}$ હોય,તો $A=$

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

જો $x$ આંકડાકીય રીતે એટલું નાનું હોય કે $x^2$ અને $x$ ની ઉચ્ચ ઘાતોને અવગણી શકાય, તો $\left(1+\frac{2x}{3}\right)^{3/2} \cdot (32+5x)^{-1/5}$ આશરે કોના બરાબર થાય?

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