Question

найдите корень уравнения (1/2)^2х+1=1/8

Answer 1

( 1/2 ) ^ 2x + 1 = 1/8 
( 1/2 ) ^ 2x + 1 = ( 1/2 ) ^ 3 
2x + 1 =3 
2x = 2 
x = 1