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The value of x² – 2yx + y² when x = 1, y = 2 is
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The value of x² – 2yx + y² when x = 1, y = 2 is

User Miamy
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6 votes
7
The process
1-2(2x1)+(2)^2
User Wintondeshong
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3 votes


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

User Rodee
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