Question

(x – y) (x + y) + (y – z) (y + z) + (z – x) (z + x) is equals too (algebric expression and identities class 8th question)

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(x – y) (x + y) + (y – z) (y + z) + (z – x) (z + x) = 0

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