# Matrix - proving need help

1. Sep 24, 2011

### lesliemath

matrix -- proving need help!!

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2. Sep 24, 2011

### Fredrik

Staff Emeritus
Re: matrix -- proving need help!!

Part (a) is asking you to show that $E_{ij}AE_{kl}=a_{jk}E_{il}$, and it's giving you a formula for A. So why don't you start by writing $E_{ij}AE_{kl}=$, and then use the formula for A that you were given?

Last edited: Sep 24, 2011