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ab(a-b) + bc(b-c) + c a(c-a) is equal to...

`ab(a-b) + bc(b-c) + c a(c-a)` is equal to :

A

`(a+ b)(b- c)(c - a)`

B

` (a-b)(b-c)(c - a)`

C

`(b-a)(b-c)(c-a)`

D

`(a-b)(b+ c)(c-a)`

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ab(a-b)+bc(b-c)+ca(c-a) is equal to

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