This is driving me nuts... I've put in a good few hours and still stuck.. can't seem to find much on this online either.
OK, I'm trying to draw the curve of
I used implicit differentiation to find
I put this equal to zero to find critical points.. gives me
I plug this back into the original equation to simplify to
so I have .
And I'm stuck (badly)
I need to find the turning points and to draw the curve.. Any help?