Recent content by dwhinc

For n>1, (2/5)^n + (3/5)^n < 2/5 + 3/5 =1.

Re tilting, how does that work? Pretty certain the path is not in a plane. If you pass a plane at an angle through a cylinder and unwrap the cylinder you get a sinusoidal curve, not a parabola.

I also had argued for A in question 20, and saw that Matrix Education put D. Prior to that, attempting to verify with a different method, I had tried to solve it using the Lagrangian method (I used sections 6.1 and 6.3 of David Morin's book) and it seems to confirm A...