Question

y=√2х²-х+1

Answer 1

2(х*х)-х+1=2х²-х+1,

2х²-х+1=0,

D= b 2 - 4ac = -7,D < 0 =>  2 комплексных решения,√|D| = 2.65

x 1 = -b + i × √D = 1 + i × 2.65 =  0.25 + i × 0.66 2a 2 × (2)

 

x 2 = -b - i × √D = 1 - i × 2.65 =  0.25 - i × 0.66 2a 2 × (2)