Show that there is no B for det(A) = 0 and A * B equaling the Identity Matrix
In this exercise we will assume that the 2 by 2 matrix A has the determinant of 0. Then we need to show that there does not exist a matrix B such that A * B is the identity matrix.
ā° Timeline 00:00 Exercise 00:44 Proof by contradiction 01:31 Conclusion
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