Question

un raspuns cat mai rapid! Multumesc!algebră casa a 7-a

Answer 1

$A=1+2+2^2+...+2^{11} \\ \\ =2^{12}-1 \\ \\ A+1=2^{12}-1+1=2^{12} \\ \\ 2^{12}=(2^4)^3~care~este~cub~perfect$