if A and B are real matrices of order and such that det(A).det(B) < 0 then the set of matrices over x belong to R given by C(x) = Ax +B is singular for at least one x belong toR and at most n values of x belong to R.prove it.
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if A and B are real matrices of order and such that det(A).det(B) < 0 then the set of matrices over x belong to R given by C(x) = Ax +B is singular for at least one x belong toR and at most n values of x belong to R.prove it.