$2{C_0} + \frac{2^2}{2}{C_1} + \frac{2^3}{3}{C_2} + \dots + \frac{2^{11}}{11}{C_{10}} = \dots$

  • A
    $\frac{3^{11} - 1}{11}$
  • B
    $\frac{2^{11} - 1}{11}$
  • C
    $\frac{11^3 - 1}{11}$
  • D
    $\frac{11^2 - 1}{11}$

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જો $\sum_{r=0}^{10} \left( \frac{10^{r+1}-1}{10^r} \right) \cdot {}^{11}C_{r+1} = \frac{\alpha^{11}-11^{11}}{10^{10}}$ હોય,તો $\alpha$ ની કિંમત શોધો :

દ્વિપદી પ્રમેયનો ઉપયોગ કરીને $(1+2x)^{6}(1-x)^{7}$ ના ગુણાકારમાં $x^{5}$ નો સહગુણક શોધો.

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જો $(2+\sqrt{3})^{49}+(\sqrt{3}-2)^{49}=a+b \sqrt{3}$,જ્યાં $a, b \in \mathbb{Q}$,તો

$(3+\sqrt{8})^5+(3-\sqrt{8})^5=$

દ્વિપદી પ્રમેયનો ઉપયોગ કરીને $(101)^{4}$ ની કિંમત શોધો.

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