Question

2x^2-3x+1 >0. Неравенство

Answer 1

2x^2-3x+1 >0
2x^2-3x> -1
х( 2х-3) > - 1
х(2х)> -1+3
2x^2>2
x^2> 2:2=4
х^2=4
х=√4
х=2