Question

The sum of x² – y², y² – z² and z² – x² is
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Answer 1

Answer:

0

Step-by-step explanation:

(x² - y²) + (y² - z²) + (z² - x²)

=> x² - y² + y² - z² + z² - x²

=> 0

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Answer 2

Answer:

(x²-y²)+(y²-z²)+(z²-x²)

x²-y²+y²-z²+z²-x²

0