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Let A = [(0,2y,z),(x,y,-z),(x,-y,z)] an...

Let `A = [(0,2y,z),(x,y,-z),(x,-y,z)] and A' * A ` = I . Then the value of `x^(2) + y^(2) + z^(2)` is

A

1

B

2

C

`(1)/(2)`

D

None of these

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A
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