Wetzel

Math 110

7.3(10.3) – The Inverse of a Matrix

 

 

                                        

 

 

            The Identity Matrix -

 

                         ,  , …etc.

 

 

            The Inverse of a Matrix,  –

 

                       

 

            Ex.

            1.)  Find                            2.)  Find

 

 

            HW:  6th & 5th Ed.  #3-11odd