If you solve both equation, you will get the points of intersection as (0,0) and (1,1)
Now So simply integrate with in limit to
I have to find the remain sum the the integral of the area between the curves of y=x and y=sqrt(x) with horizontal slices. not sure how to do it, i know it would be the area under y=sqrt(x) minus the area under y=x but not sure how to do it. Thanks for the help!