(a-b) (b-c) + (b-c) (c-a) + (c-a) (a-b)
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Answered by
0
Answer:
0
Step-by-step explanation:
ab−bc,bc−ca,ca−ab
Adding we get,
ab−bc+bc−ca+ca−ab
=0
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Answered by
2
Answer:
(a-b)(b-c)+(b-c)(c-a)+(c-a)(a-b)
ab-bc+bc-ac-ab+ac
0
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