I asked earlier(3 days ago) but no one answered this question.
Please solve this 24th question.
Thanks.

25. The value of  a b + c a 3 b c + a b 3 c a + b c 3  is-
(A) (ab) (– c) (ca)
(B) abc (ab) (bc) (ca)
(C) –(+ b + c)2 (ab) (bc) (ca)
(D) None of these

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