4.Add the product: ala-b), b(b-c), c(c-a)5 – InterviewSolution

1.	4.Add the product: ala-b), b(b-c), c(c-a)5
Answer» a(a-b) + b(b-c) + c(c-a)a² - ab + b² - bc + c² - aca² + b² + c² - ab - bc - ac

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