\( \begin{vmatrix} a + x& a - x& a - x\\ a - x & a + x & a - x\\ a - x & a - x & a + x\end{vmatrix} = 0 \) then \( x \) =?

A \( 0 \)

B \( a \)

C \( 2a \)

D \( 7a \)

Solution

Correct Answer: Option A

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