Calculus problem #2131
Calculus
Level
4
\(A(1, 0)\) is a point on the parabola \(y=2x(x-1)\). From point \(A\), point \(P\) is moving along the curve towards the origin \(O(0, 0)\). What is the limit
\[ \lim_{P \rightarrow O } \sec \angle APO ? \]
by
Arron Kau