math
posted by Fakaapo. Suetusi on .
(BC)^2=(CB)^2, Where B and C are
(n x n) in matrices.Is it true or false.

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.