Question

X ao quadrado -5+6=0

Answer 1

x^2-5+6=0

∆=b^2 - 4.a.c

∆=25-24

∆=1

-b+√∆
-----------
2.a

+5+1
-------= 3
2

-b -√∆
-----------
2.a

5-1
----- = 2
2


X1=3

X2=2

S=(2,3)