Question

Помогите решить пример! Оч срочно

Answer 1

3^(-7)*(3^5)^2=3^(-7+10)=3^3=27.
Ответ: 27.

Answer 2

$3^{-7}\times (3^5)^2=3^{-7}\times 3^{10}=3^{-7+10}=3^3=27$

$u-u^2 \geq 0\\\\ u(1-u) \geq 0\\\\ ------[0]-----+-----[1]-----------\\\\ x\in [0;1]$