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Feb20-12, 12:59 AM
P: 206
Do you have the result that any trajectory that passes through the point (-1,δ) reaches it's max at (0,2δ)? This is easy to show and is essentially just as good a result for qualitative purposes. Finding the trajectory that intersects the circle at exactly one point (I think this is want you tried to do), combined with the result above should give your result but finding that intersection gives an ugly equation.