ummm i finished 1-9 within 1.5 hour~ went bak to check over and left 30 minutes for Q10~ b) was easy i finished it all! but a) kinda got me =.= i think at about 5 minutes till pens down, i figured it out tat its a inverse trig kinda question! so i wrote A=7ln5-[e^y +2y] (with the boundaries 1n5...