Question 1104092
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1.  If -1 is "minus identity matrix" -I, then  Y = A + I - BCT.


2.  If -1 is actually the degree ^(-1), then  Y + BCT = {{{A^(-1)}}}  and  Y = {{{A^(-1) - BCT}}}.
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<U>comment from student</U>: &nbsp;Just to clarify , by -1 i meant the inverse of the matrix .. So same steps to be followed ??
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<U>My response</U>:  &nbsp;Then  accept &nbsp;#2 &nbsp;(=n2) .