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Property of Matrix Multiplication

Yankel

Active member
Jan 27, 2012
398
Hello, I wanted to ask if this is a correct move, A and B are matrices, a is a scalar, thank you !

[tex]A^{2}\cdot B^{t}-aA=A(A\cdot B^{t}-aI)[/tex]
 

caffeinemachine

Well-known member
MHB Math Scholar
Mar 10, 2012
834
Hello, I wanted to ask if this is a correct move, A and B are matrices, a is a scalar, thank you !

[tex]A^{2}\cdot B^{t}-aA=A(A\cdot B^{t}-aI)[/tex]
Seems correct to me.
 

Sudharaka

Well-known member
MHB Math Helper
Feb 5, 2012
1,621

Yankel

Active member
Jan 27, 2012
398
Thank you !