Respuesta :
Answer:
r² - 4r + 4
Step-by-step explanation:
y = r² - (sum)r + product
y = r² - 4r + 4
Or,
y = (r - 2)²
Answer:
Step-by-step explanation:
sum of roots=4
product of roots=4
so polynomial f(x)=x²-(sum of roots)x+product of roots
or f(x)=x²-4x+4