Mathematics - Straight Lines Question with Solution | TestHub

MathematicsStraight LinesIntersection of linesMedium2 min

MathematicsMediumsingle choice

The values of k for which lines $k x + 2 y + 2 = 0, 2 x + k y + 3 = 0, 3 x + 3 y + k = 0$ are concurrent

Answer:

Solution:

Three non parallel lines are concurrent if $Δ = 0$

$k 23 2 k 3 23 k = 0 \Rightarrow k = 2, 3, - 5 But for k = 2, first two lines are parallel.$

Stream:JEESubject:MathematicsTopic:Straight LinesSubtopic:Intersection of lines

⏱ 2m

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