Mathematics · 2019
JEE Main · 12 January 2019, Shift 2 · Q79
If a circle of radius R passes through the origin O and intersects the coordinate axes at A and B, then the locus of the foot of perpendicular from O…
If a circle of radius R passes through the origin O and intersects the coordinate axes at A and B, then the locus of the foot of perpendicular from $\displaystyle O$ on $\displaystyle A B$ is :
Official answer
(1)
$\displaystyle \left(x^2+y^2\right)^3=4 \mathrm{R}^2 x^2 y^2$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.