Mathematics · 2019
JEE Main · 10 January 2019, Shift 1 · Q76
If the area enclosed between the curves y= k x^2 and x= k y^2,( k >0), is 1 square unit. Then k is:
If the area enclosed between the curves $\displaystyle y=\mathrm{k} x^2$ and $\displaystyle x=\mathrm{k} y^2,(\mathrm{k}>0)$, is $\displaystyle 1$ square unit.
Then k is :
Official answer
(2)
$\displaystyle \frac{1}{\sqrt{3}}$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.