Question

Помогите решить уровнение ПЖ
a) x^2=0.09
б) x^2=92

Answer 1

$a)x {}^{2} = 0.09 \\ x = \sqrt{0.09} \\ x = ±0.3 \\ x1 = - 0.3~~~~~~~~~~x2 = 0.3 \\ б)x {}^{2} = 92 \\ x = ±2 \sqrt{23} \\ x1 = - 2 \sqrt{23} ~~~~~~~~~~x2 =2 \sqrt{23}$