A variable line is drawn through \( O \), to cut two fixed straight lines \( L_{1} \) and \( L_{... VIDEO
A variable line is drawn through \( O \), to cut two fixed straight lines \( L_{1} \) and \( L_{2} \) in \( A_{1} \) and \( A_{2} \), respectively.https://bit.ly/YTAI_PWAP https://www.pw.live
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\[
\begin{array}{l}
L_{1}=x+3 y-5=0 \\
L_{2}=3 x-k y-1=0 \\
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