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The roots of (x-b)(x-c) +(x-a)(x-c) ...

The roots of ` (x-b)(x-c) +(x-a)(x-c) +(x-a) (x-b)=0` are

A

a+b+c=0

B

`a+bw+cw^(2)=0`

C

a-b+c=0

D

a+b-c=0

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The correct Answer is:
B
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