If \( a+b+c=0 \), then one root of \( \left|\begin{array}{ccc}a-x & c & b \\ c & b-x & a \\ b & ....

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If \( a+b+c=0 \), then one root of
P
\( \left|\begin{array}{ccc}a-x & c & b \\ c & b-x & a \\ b & a & c-x\end{array}\right|=0 \) is
W
(1) \( a+b \)
(2) 0
(3) \( b+c \)
(4) \( a+c \)


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