Question

pfvr...............​

Answer 1

x’.x” = 12

x’+x” = 8

x’ = 2 e x” =6

Δ = (-8) ² -4.1.12

Δ = 64 - 48

Δ = 16

x = (8 ± √16)/2.1

x’ = (8 +4) /2 = 6

x” = (8-4)/2 = 2

V = { 2,6}