Question

X²-5x+6=0...De o valor de delta e x linha e x duas linhas...

Answer 1

Δ = b² - 4ac
Δ = 25 - 24
Δ = 1

x = 5 +-√1/2
x = 5 +-1/2
x' = 5+1/2
x' = 6/2 = 3

x'' =5 -1/2
x'' = 4/2 = 2        ok