The area of the largest rectangle whose | MAXIMA AND MINIMA

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JEE MAIN 2020

04-09-2020_S2

Question

The area (in sq. units) of the largest rectangle $A B C D$ whose vertices $A$ and $B$ lie on the $x$-axis and vertices $C$ and $D$ lie on the parabola, $y=x^2-1$ below the $x$-axis, is :

Select the correct option:

A

$\frac{4}{3 \sqrt{3}}$

B

$\frac{1}{3 \sqrt{3}}$

C

$\frac{2}{3 \sqrt{3}}$

D

$\frac{4}{3}$

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