\left| \begin{array} { l l } { 14 } & { 5 } \\ { 37 } & { 4 } \end{array} \right|
Evaluate
-129
Factor
-129
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det(\left(\begin{matrix}14&5\\37&4\end{matrix}\right))
Find the determinant of the matrix.
14\times 4-5\times 37
For the 2\times 2 matrix \left(\begin{matrix}a&b\\c&d\end{matrix}\right), the determinant is ad-bc.
56-5\times 37
Multiply 14 times 4.
56-185
Multiply 5 times 37.
-129
Subtract 185 from 56.
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