Question

15^3x>3375
решение неравенства

Answer 1

$15 ^{3x} \ \textgreater \ 3375 \\ 15 ^{3x} \ \textgreater \ 15^{3} \\ 3x\ \textgreater \ 3 \\ x\ \textgreater \ 1$
Ответ: x∈(1;+беск.)