If A = $\left[\begin{array}{ccc}2& 3& 4\\ 1& 2& 3\\ -1& 1& 2\end{array}\right]$, B = $\left[\begin{array}{ccc}1& 3& 0\\ -1& 2& 1\\ 0& 0& 2\end{array}\right]$ 
Show that AB $\ne$ BA.

Stuck on the question or explanation?

Connect with our maths tutors online and get step by step solution of this question.