In this lesson we showed how to find the transpose of a matrix by interchanging rows into column or columns into rows. The transpose of a matrix is denoted with the letter "T" in the superscript of the matrix.
How to multiply Matrices : https://www.youtube.com/watch?v=hXTuG9qvNCA&list=PL_Ah8fVck54QHs2A26yQ_llHKaqCujy6H&index=1&pp=gAQBiAQB