Respuesta :

amna04352

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

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