Mathematics - Straight Lines Question with Solution | TestHub

MathematicsStraight LinesGeneral (Standard forms)Medium2 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 $Δ = 0$ .

$k 23 2 k 3 23 k = 0$

This implies $k = 2, 3, - 5$ . However, for $k = 2$ , the first two lines are parallel.

Stream:JEESubject:MathematicsTopic:Straight LinesSubtopic:General (Standard forms)

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