निम्नलिखित सारणिकों के अवयवों के उपसारणिक एवं सहखण्ड लिखिए। \[ \left|\begin{array}{cc} 2 & -4 \\...

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निम्नलिखित सारणिकों के अवयवों के उपसारणिक एवं सहखण्ड लिखिए।
\[
\left|\begin{array}{cc}
2 & -4 \\
0 & 3
\end{array}\right|
\]
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