Question

determine
${x}^{2} - 5x + 6 = 0$
cálculos pfv.​

Answer 1

Explicação passo-a-passo:

x² - 5x +6=0

a= 1

b= -5

c= 6

∆= (-5)² - 4.1.6

∆= 25 - 24

∆= 1

x = - (-5) ±√1/2.1

x= 5 ±1/2

x1= 5+1/2

x1= 6/2

x1= 3

x2= 5-1/2

x2= 4/2

x2= 2

S = { 2 , 3}