Q143
If a matrix \[ A = [ array*20c 2&4 \\ 1&3 array ]\] and matrix \[ B = [ array*20c 4&6 \\ 5&9 array ]\] the transpose of product of these two matrices i.e., (AB)T is
If a matrix {\text{A}} = \left[ {\begin{array}{*{20}{c}}
2&4 \\
1&3
\end{array}} \right] and matrix {\text{B}} = \left[ {\begin{array}{*{20}{c}}
4&6 \\
5&9
\end{array}} \right] the transpose of product of these two matrices i.e., (AB)T is
A.
\left[ {\begin{array}{*{20}{c}}
{28}&{19} \\
{34}&{47}
\end{array}} \right]
B.
\left[ {\begin{array}{*{20}{c}}
{19}&{34} \\
{47}&{28}
\end{array}} \right]
C.
\left[ {\begin{array}{*{20}{c}}
{48}&{33} \\
{28}&{19}
\end{array}} \right]
D.
\left[ {\begin{array}{*{20}{c}}
{28}&{19} \\
{48}&{33}
\end{array}} \right]
AnswerAnswer: Option D
Solution
Answer: Option D
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