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If (x)/(( b - c) ( b + c - 2a)) = (y)/(...

If ` (x)/(( b - c) ( b + c - 2a)) = (y)/(( c - a)( c + a- 2 b)) = (z)/(( a - b) ( a + b - 2 c)) ` then ( x + y + z) is

A

`a+b+c`

B

`a^(2) +b^(2) +c^(2)`

C

0

D

`(a+b+c)^(2)`

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The correct Answer is:
C
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LUCENT PUBLICATION-ALGEBRAIC IDENTITIES -Exercise - 1A
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