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Matrices and Determinants - Set 7
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NUST Entrance Test
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Mathematics
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Matrices and Determinants
Set 7
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Mashaal Masha
Sep 28, 2022
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Choose the correct options for the following questions.
If $A=\begin{bmatrix}1\\4\\3\end{bmatrix}$ and $B=\begin{bmatrix}3&7&1\end{bmatrix}$ , we can find
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Difficulty: Easy
A:
AB
B:
A+B
C:
A-B
D:
None
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If $A=\begin{bmatrix}4&7&2&9\end{bmatrix}$and $B=\begin{bmatrix}12\\1\\5\\6 \end{bmatrix}$ then AB=
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Difficulty: Easy
A:
Not possible
B:
119
C:
102
D:
34
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