Question

M={x aparține N | (-2) la puterea a 8 a mai mic ca 2 la puterea x ma i mic ca 4 la puterea a 6-a}

Answer 1

$(-2)^8\ \textless \ 2^x\ \textless \ 4^6$

$2^8\ \textless \ 2^x\ \textless \ 2^{2*6}$

$2^8\ \textless \ 2^x\ \textless \ 2^{12}$

x∈{9, 10, 11}

M={9, 10, 11}