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Mathematics - Point Question with Solution | TestHub

MathematicsPointLocusHard2 minPYQ_2004

MathematicsHardsingle choice

If one of the lines given by $6 x^{2} - x y + 4 c y^{2} = 0$ is $3 x + 4 y = 0$ , then $c$ equals

Options:

Answer:

D

Solution:

$m_{1} + m_{2} = \frac{1}{4 c}, m_{1} m_{2} = \frac{6}{4 c}$ and $m_{1} = - \frac{3}{4}$ Hence c $= - 3$

Stream:JEESubject:MathematicsTopic:PointSubtopic:Locus

⏱ 2mℹ️ Source: PYQ_2004

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