Question Number 36903 by prof Abdo imad last updated on 07/Jun/18
![prove that 2^(n+1) divide [(1+(√3))^(2n+1) ] [x] mean integr part of x](Q36903.png)
$${prove}\:{that}\:\:\mathrm{2}^{{n}+\mathrm{1}} \:{divide}\:\left[\left(\mathrm{1}+\sqrt{\mathrm{3}}\right)^{\mathrm{2}{n}+\mathrm{1}} \right]\: \\ $$$$\left[{x}\right]\:{mean}\:{integr}\:{part}\:{of}\:{x} \\ $$