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The value of $\lambda$ with $|\lambda| < 16$ such that $2x^2-10xy+12y^2+5x+\lambda y -3=0$ represents a pair of straight lines, is :
\[\begin {array} {1 1} (1)\;-10 & \quad (2)\;-9 \\ (3)\;10 & \quad (4)\;9 \end {array}\]
jeemain
eamcet
math
2009
q46
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Oct 10, 2013
by
meena.p
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Nov 7, 2013
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