1.

Q: Out of the given responses one of the factors of  (a2-b2)3+(b2-c2)3+(c2-a2)3 is

A. (a+b) (a-b)
B. (a+b) (a+b)
C. (a – b) (a – b)
D. (b – c) (b – c)
Answer» B. (a+b) (a+b)


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