Math, asked by 8515prabhleen8e, 6 months ago


(x - y)(x + y) + (y – z)(y + 2) + (z –
x) (z + x) is equal to

Answers

Answered by SamVarghese
2

(x - y)(x + y) + (y – z)(y + z) + (z –x) (z + x)

(a +b) (a - b) = a² - b²

x² - y² + y² - z² + z² - x²

= 0

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