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If a ^(2) = by + cz, b ^(2)= cz + ax, c ...

If `a ^(2) = by + cz, b ^(2)= cz + ax, c ^(2) = ax + by, ` then the value of `(x)/(a + x) +(y)/(b + y) + (z)/(c + z)` is

A

1

B

a + b + c

C

`(1)/(a)+ (1)/( b) + (1)/( c)`

D

0

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The correct Answer is:
A
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