Recent content by nerdyjoe

the answer is (w-c2)/2 expand the original equation: u1 = -c1^2 + (w-c2)c1+w+c2 it's a upside down parabola, with constant w and c2 max of a parabola is : -b/2a b=(w-c2) a=-1 so -b/2a=(w-c2)/2