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1 year ago

11

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

2 answers:

Mrrafil [7]1 year ago

7 0

7
The process
1-2(2x1)+(2)^2

ki77a [65]1 year ago

5 0

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

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