x² + y² - 2xy

( x + y)²

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(x - y) ²

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x² - y²

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(x + y + 1)²

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Solution

The correct option is B
(x - y) ²

x² + y² - 2xy = (x - y)²

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Similar questions

y_{1} = \frac{y^{2} - 2 x y - x^{2}}{y^{2} + 2 x y - x^{2}}

(1, - 1)

\frac{x^{2} + y^{2} - z^{2} + 2 x y}{x^{2} - y^{2} - z^{2} - 2 y z} .

(x^{2} - y^{2} + 2 x y + 1) - (x^{2} + y^{2} + 4 x y - 5)

x^{2} + y^{2} = (x - y)^{2} + 2 x y

(0, 0)

x - y + 1 = 0

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