When a matrix is multiplied by its inverse, you are left with the identity matrix. Given matrix A = [ − 7 − 32 2 9 ] \displaystyle {A}={\left[\begin{array}{cc} -{7}&-{32}\\{2}&{9}\end{array}\right]} A = [ − 7 2 − 32 9 ] B = [ 9 32 − 2 − 7 ] \displaystyle {B}={\left[\begin{array}{cc} {9}&{32}\\-{2}&-{7}\end{array}\right]} B = [ 9 − 2 32 − 7 ] A B = \displaystyle {A}{B}= A B =
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Enter each element of the matrix as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter each element of the matrix as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)