y = x2,a parabola.
Use the button "+" to increase the number of segments in the broken-line approximation, hence to increase its accuracy. As the number of segments increases, the' length of the broken-line curve gets closer and closer to the arc length of the curve. Thus the arc length is limit value of these approximations:
lim( Ln ) = Lwhere Ln is the length of the n-segment approximation and L is the length of the curve.
Question: What is the arc length of the given parabola?