Posted by **Fakaapo. Suetusi** on Friday, April 15, 2011 at 5:26am.

(B-C)^2=(C-B)^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=(B-C), and Q=(C-B)

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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