If one of the lines given by \( 6 x^{2}-x y+4 c y^{2}=0 \) is \( 3 x+ \)
\( 4 y=0 \), then \( c=....
If one of the lines given by \( 6 x^{2}-x y+4 c y^{2}=0 \) is \( 3 x+ \)
\( \mathrm{P} \)
\( 4 y=0 \), then \( c= \)
W.
(1) -3
(2) -1
(3) 3
(4) 1
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