2nd Putnam 1939

Problem A1

Let C be the curve y2 = x3 (where x takes all non-negative real values). Let O be the origin, and A be the point where the gradient is 1. Find the length of the curve from O to A.



Ans: 8/27 (2√2 - 1). Trivial integration.



2nd Putnam 1939

© John Scholes
4 Sep 1999