1.

The factor of [2a-b]3+[b-2c]3 +[c-a]3 is

Answer»

(2a-b) 3 + (b-2c) 3+( c-a)3
=6a - 3B + 3b - 6c + 3c - 3A
= 3a - 3c
= 3(a-c) ans.

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