Posted by Fakaapo. Suetusi on Friday, April 15, 2011 at 5:26am.
(BC)^2=(CB)^2, Where B and C are
(n x n) in matrices.Is it true or false.

math  MathMate, Friday, April 15, 2011 at 11:04am
Let P=(BC), and Q=(CB)
We understand from the definition of subtraction of matrices that P=Q, or
p(i,j)=q(i,j).
Let P=
2 0
3 1
and Q=
2 0
3 1
and compare P^2 and Q^2 to make your conclusion.
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