Mathematics · 2021
JEE Main · 16 March 2021, Shift 2 · Q66
Let C be the locus of the mirror image of a point on the parabola y^2=4 x with respect to the line y=x. Then the equation of tangent to C at P(2, 1)…
Let C be the locus of the mirror image of a point on the parabola $\displaystyle y^2=4 x$ with respect to the line $\displaystyle y=x$. Then the equation of tangent to C at P$\displaystyle (2, 1)$ is :
Official answer
(3)
$\displaystyle x-y=1$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.