How are these two matrices equal

#1

I am not able to understand why the following matrices are equal
QtXtWY and YtWXQ
here t is transpose and other are matrices

#2

This is because both are scalar as showed below,

1
11280×857 73.1 KB

Hope this cleared your doubt. :blush:

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.