Represent the following equations in matrix form : \[ \begin{array}{l} \text { (i) } a_{1} x+b_...

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Represent the following equations in matrix form :
\[
\begin{array}{l}
\text { (i) } a_{1} x+b_{1} y+c_{1}=0 \\
a_{2} x+b_{2} y+c_{2}=0 \\
a_{1} x+b_{1} y+c_{1} z=k_{1} \\
\text { (ii) } a_{2} x+b_{2} y+c_{2} z=k_{2} \\
a_{3} x+b_{3} y+c_{3} z=k_{3}
\end{array}
\]
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