Question

Me ajuda pfv genteeee

Answer 1

letra a
x^2 -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= 3
X2= 5-1/2 =2
S= {2,3}