The equation \( \left[\begin{array}{lll}1 & \mathrm{x} & \mathrm{y}\end{array}\left[\begin{array...

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The equation \( \left[\begin{array}{lll}1 & \mathrm{x} & \mathrm{y}\end{array}\left[\begin{array}{ccc}1 & 3 & 1 \\ 0 & 2 & -1 \\ 0 & 0 & 1\end{array}\right]\left[\begin{array}{l}1 \\ \mathrm{x} \\ \mathrm{y}\end{array}\right]=[0]\right. \) has
P
(i) for \( y=0 \)
(p) rational roots
VW
(ii) for \( y=-1 \)
(q) irrational roots
(r) integral roots
Then
(ii)
(1) (p) \( \quad \) (r)
(2) (q) (p)
(3) (p) \( \quad \) (q)
(4) (r)
(p)
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