please answer this correctly then I will follow you
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0
Answer:
a(b-c)+b(c-a)+c(b-a)
=ab-ac+bc-ba+cb-ca
ab and -ba get cancelled
-ca and -ac add upto -2ac
bc and cb add upto 2bc
therefore, =2bc-2ac
like da
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3
If C(a-b) then the answer will be 0
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