Question

8^2x+1>0, 125 решить неравенство.
2sin(x+П/2)+√2=0

Answer 1

8^(2х+1)=8•8^2х. 0,125=8^(-1)
8•8^2х>8^(-1).
8^2х>8^(-2).
2х> -2.
Х>-1).
sin(x+pi/2)=-¥2/2.
cosx=-¥2/2
X=3pi/4