Show that ((x+b)(x+c))/((b-a)(c-a))+((x+c)(x+a))/((c-b)(a-b))+((x+a)(x – InterviewSolution

InterviewSolution

1.	Show that ((x+b)(x+c))/((b-a)(c-a))+((x+c)(x+a))/((c-b)(a-b))+((x+a)(x+b))/((a-c)(b-c))=1is an identity.
Answer» It has only TWO REAL roots It has no roots It' s an identity none of the above Answer :C

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