Question

the value of x ^2 -2yx +y^2 when x=1 ,y=2is
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Answer 1

Answer:

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Step-by-step explanation:

x = 1

y = 2

x^2 - 2xy + y^2 = (x - y)^2 = (1 - 2)^2 = (-1)^2 = 1

Answer 2

Answer:

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