MEDIUM
JEE Main/Advanced
IMPORTANT
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Two of the straight lines given by 3x3+3x2y-3xy2+dy3=0 are at right angles, if d=

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Important Questions on Pair of Straight Lines

MEDIUM
JEE Main/Advanced
IMPORTANT
One bisector of the angle between the lines given by ax-12+2hx-1y+by2=0 is 2x+y-2=0. The other bisector is
EASY
JEE Main/Advanced
IMPORTANT

The joint equation of the straight lines x+y=1 and x-y=4 is x2-y2=λ, then λ=