If A and B are n x n matrices AB = BA = In, then B is called the inverse of A (this terminology is appropriate because such a matrix B is unique) and A is said to be invertible. The notation B = A^-1 denotes that B is the inverse of A. See attachment for question.© BrainMass Inc. brainmass.com October 17, 2018, 4:31 am ad1c9bdddf
This solution provides assistance with the inverse matrix problem.
Asymptotic Variance under simple regression and multiple regression
Please see attached doc.View Full Posting Details