∫(0-2)max{x,x^2}dx
[0,1] x^2x,max{x,x^2}=x^2
∫(0-2)max{x,x^2}dx=∫[0,1] xdx+∫[1,2] x^2dx=1/2+(8/3-1/3)=7/3+1/2=17/6