Construct a \( 4 \times 3 \) matrix whose elements are given by \( ...

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Construct a \( 4 \times 3 \) matrix whose elements are given by \( a_{i j}=\frac{i}{j} \)
\( \mathrm{P} \)
W
(1) \( \left[\begin{array}{ccc}1 & 1 / 2 & 1 / 3 \\ 2 & 1 & 2 / 3 \\ 3 & 3 / 2 & 1 \\ 4 & 2 & 4 / 3\end{array}\right] \) (2) \( \left[\begin{array}{ccc}1 & 1 / 2 & 1 / 3 \\ 2 & 1 & 3 / 2 \\ 2 / 3 & 3 / 2 & 1 \\ 2 & 3 & 1\end{array}\right] \)
(3) \( \left[\begin{array}{ccc}1 & 1 / 2 & 1 / 3 \\ 2 & 1 & 2 / 3 \\ 3 / 4 & 4 / 5 & 5 / 6 \\ 7 / 3 & 1 / 2 & 3 / 2\end{array}\right] \)
(4) None of these
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