The value of ((a-b)^(2))/((b-c)(c-a)) + ...

The value of `((a-b)^(2))/((b-c)(c-a)) + ((b-c)^(2))/((a-b)(c-a)) + ((c-a)^(2))/((a-b)(b-c))` is :

A

0

B

3

C

`(1)/(3)`

D

2

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The correct Answer is:

A

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