Question

помогите решить это

Answer 1

1) D = √((-4√2)^2-4*2*3) = √(32-24) = √8 = 2√2
x1= (4√2 + 2√2)/4 = 6√2 / 4 = 3√2 / 2
x2 = ((4√2 - 2√2)/4 = 2√2 / 4 = √2 / 2

2) D = √((-(√7-2))^2 - 4*1*(-2√7)) = √((7-4√7+4)+8√7) = √(13+4√7)
x1 =  (√7 - 2 - √(13+4√7)) / 2
x2 =  (√7 - 2 + √(13+4√7)) / 2