use the cylindrical shell method to find the volume of the solid formed by rotating the region bounded by the given curves about the specified line

y=x^2 x=y^4 from y=0 to y=1 about the x-axis

x=y^1/2 and y=2x from x=1 to x=2 about the y-axis

y=x^2 and x+y=1 from x=1 to x=2 about the line x=-1