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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
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If $
\begin{vmatrix}
x & 3 & 6 \\
3 & 6 & x \\
6 & x & 3
\end{vmatrix}
=
\begin{vmatrix}
2 & x & 7 \\
x & 7 & 2 \\
7 & 2 & x
\end{vmatrix}
=
\begin{vmatrix}
4 & 5 & x \\
5 & x & 4 \\
x & 4 & 5
\end{vmatrix}
= 0
$, then $x$ is equal to:
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