If A= [ ll 1 & 0 0 & 1 ] and B= [ lr 4 & 0 1 & -2 0 & 3 ] then. A… - Vidyadip

MCQ

If $A=\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$ and $B=\left[\begin{array}{lr}4 & 0 \\ 1 & -2 \\ 0 & 3\end{array}\right]$ then. $A B=$_________ .

A
$\left[\begin{array}{rr}4 & 0 \\ 1 & -2 \\ 0 & 3\end{array}\right]$
B
$\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$
C
$\left[\begin{array}{rr}4 & 0 \\ 1 & -2\end{array}\right]$
✓
Does not exist

✓

Answer

Correct option: D.

Does not exist

D

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