Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Engineering Mathematics Linear Algebra Matrix Algebra
\(A=\left[\begin{array}{ll} 1 & 3 \\ 2 & 8 \\ 4 & 0 \end{array}\right] \) and \(B=\left[\begin{array}{l} 5 \\ 9 \end{array}\right] \)
(A) AB is given by \(\left[\begin{array}{l}32 \\ 82 \\ 20\end{array}\right]\)
(B) BA is given by [32 82 20]
(C) AB is not defined
(D) BA is not defined
(E) ATB is defined
Choose the correct answer from the options given below:
1
(C) and (B) Only
2
(A), (D), (E) Only
3
(A) Only
4
(A) and (D) Only