a(b-c) - b(c - a) - c(a-b)
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1
a(b-c)-b(c-a)-c(a-b)
ab-ac-bc+ba-ca+cb
-bc and +bc get cancelled
ab+ab-ac-ac
2ab-2ac
ab-ac-bc+ba-ca+cb
-bc and +bc get cancelled
ab+ab-ac-ac
2ab-2ac
Answered by
4
Listen..i don't know who are you but there is not need to prove your self,,,you and your parents know that you are honest means you are..
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