JEE Main 2024MathematicsStraight LinesMediumMCQ

JEE Main 2024Straight Lines Question with Solution

JEE Main 2024 (06 Apr Shift 2)

Question

If the locus of the point, whose distances from the point and are in the ratio , is , then the value of is equal to :

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Show full solutionCorrect option: A
Correct answer
A37

Step-by-step explanation

let $\begin{aligned} & \frac{(x-2)^2+(y-1)^2}{(x-1)^2+(y-3)^2}=\frac{25}{16} \\ & 9 x^2+9 y^2+14 x-118 y+170=0 \\ & a^2+2 b+3 c+4 d+e \\ & =81+18+0+56-118 \\ & =155-118 \\ & =37 \end{aligned}$

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About this question

This is a previous-year question from JEE Main 2024, covering the Straight Lines chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.