The sum of x² – y², y² – z² and z² – x² is
Answers
Answered by
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Step-by-step explanation:
(x²-y²) + (y²-z²) + (z²-x²)
= x² - y² + y² + z² - x²
= 0
Hope this helps.
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Answered by
1
Given,
- x² – y²
- y² – z²
- z² – x²
To find,
- We have to find the sum of x² – y², y² – z², and z² – x².
Solution,
We can simply find the sum of x² – y², y² – z², and z² – x² by adding the given expressions:
then, x² – y²+ y² – z² + z² – x²
In the above expression, x² gets canceled with - x², similarly, y² gets canceled with -y², and z² gets canceled with -z².
= x² – y²+ y² – z² + z² – x²
= 0
then, we are left with '0'.
∴ The sum of x² – y², y² – z², and z² – x² is 0.
Hence, the sum of x² – y², y² – z², and z² – x² is 0.
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