\left| \begin{array} { l l } { 48 } & { 90 } \\ { 100 } & { 10 } \end{array} \right|
Evaluate
-8520
Factor
-8520
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det(\left(\begin{matrix}48&90\\100&10\end{matrix}\right))
Find the determinant of the matrix.
48\times 10-90\times 100
For the 2\times 2 matrix \left(\begin{matrix}a&b\\c&d\end{matrix}\right), the determinant is ad-bc.
480-90\times 100
Multiply 48 times 10.
480-9000
Multiply 90 times 100.
-8520
Subtract 9000 from 480.
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