Question

ajuda pf matemática 30 pontods

Answer 1

fx=5x²-3x-2=o

fx=o
5x²-3x-2=0

5x²-3x-2=0

x=1
x= -  2/5

f.1=0
f.(-  2/5)=0

f=0
f=0

(f¹,x¹)=(0,1)
(f²,x²)= 0, -  2/5

0.1=5.1²-3.1=0
0.(-  2/5=5.(-  2/5)²-3.(-  2/5)-2=0

0=0=0
0=0=0

(f¹,x¹) = (0,1)
(f²,x²)=(0,-  2/5