Determinant of a 2 by 2 Matrix - Calculator

Let A be a 2 by 2 matrix given by

A = [[a , b] , [c , d]]

where [a , b] is the first row and [c , d] is the second row of the given matrix.

The determinant of matrix A is given by

det(A) = a*d - c*b

How to use the calculator 1 - Enter coefficients a, b, c and d press "enter".

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