Question

Помогите решить!!! срочно

Answer 1

$2^{5n+7} : 2^{3n-5} = 2^{5n+7 -(3n-5)} = 2^{5n+7-3n+5} = 2^{2n+12} = 2^{2*(n+6)} = \ \ = (2^2)^{n+6} = 4^{n+6}$

ответ:  1) n + 6.