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P(2ap, ap^2) and Q(2ap^2, ap&4) are two points on the parabola x^2=4ay. I) show that the chord PQ has a gradient m=(1/2)(P^2 + P) II) Find the minimum gradient of the chord PQ. i could do part I pretty easily, but am struggling with part II, and the solution makes no sense to me at...

i have to hand in my form tomorrow and have been stuck choosing a nickname for agesssssss. my name is Amir, and there like nothing note worthy about my name. SOMEONE HELP