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If $s$ and $p$ are respectively the sum and the product of the slope of the lines $3x^2-2xy-15y^2=0,$ then $s:p=$
\[\begin {array} {1 1} (a)\;4:3 & \quad (b)\;2:3 \\ (c)\;3:5 & \quad (d)\;3:4 \end {array}\]
jeemain
eamcet
math
2011
q66
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Sep 23, 2013
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meena.p
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(b) 2:3
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Nov 7, 2013
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pady_1
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