There are two values of \( a \) which makes determinant, \( \Delta=...

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There are two values of \( a \) which makes determinant, \( \Delta=\left|\begin{array}{ccc}1 & -2 & 5 \\ 2 & a & -1 \\ 0 & 4 & 2 a\end{array}\right|=86 \), then
P
W sum of these number is
(A) 4
(B) 5
(C) \( -4 \)
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