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Mathematics
The value of $\lambda$ such that $\lambda x^2-10 xy+12 y^2+5x-16y-3=0$ represents a pair of straight lines, is
\[\begin {array} {1 1} (1)\;1 & \quad (2)\;-1 \\ (3)\;2 & \quad (4)\;-2 \end {array}\]
jeemain
eamcet
math
2008
q49
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asked
Oct 17, 2013
by
meena.p
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Nov 7, 2013
by
pady_1
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