The area enclosed between the curves $y^2=x$ and $y=|x|$ is

The area enclosed between the curves $y^2=x$ and $y=|x|$ is
  1. $2 / 3$
  2. $1$
  3. $1 / 6$
  4. $1 / 3$

Solution

$A=\int_0^1(\sqrt{x}-x) d x$ $=\left[\frac{2}{3} x^{3 / 2}-\frac{x^2}{2}\right]_0^1$ $=\frac{2}{3}-\frac{1}{2}=\frac{1}{6}$.

Asked in: JEE Main 2007

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