Question

Dada a equação x³ - 5x² +6 = 0, determine as raízes.

Answer 1

b²-4ac -> formula de baskhara
a=1 ; b=-5 ; c=6

(-5)²-4.1.6=25-24=1
Raízes:
formula de x1 e x2 -> -b+ ou - raiz de delta/2.a
x1=5+1/2= 6/2 = 3
x2=5-1/2=  4/2 = 2