\left| \begin{array} { l l } { 6 } & { 4 } \\ { 2 } & { 4 } \end{array} \right|
Evaluate
16
Factor
2^{4}
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det(\left(\begin{matrix}6&4\\2&4\end{matrix}\right))
Find the determinant of the matrix.
6\times 4-4\times 2
For the 2\times 2 matrix \left(\begin{matrix}a&b\\c&d\end{matrix}\right), the determinant is ad-bc.
24-4\times 2
Multiply 6 times 4.
24-8
Multiply 4 times 2.
16
Subtract 8 from 24.
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