Without expanding, show that the value of each of the following determinants is zero: \[ \left|\...

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Without expanding, show that the value of each of the following determinants is zero:
\[
\left|\begin{array}{lll}
49 & 1 & 6 \\
39 & 7 & 4 \\
26 & 2 & 3
\end{array}\right|
\]
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