Question

Find value of x^2-2xy+y^2,if x=55,y=45

Answer 1

Answer:

100

Step-by-step explanation:

x² - 2xy + y² = (x - y)²

x = 55 , y = 45

55² - 2×55×45 + 45² = (55 - 45)² = 10² = 100

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