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this is the answers for 2007 4unit paper Q8 c) iii) & ii) I have done ii) my question is, for part iii) how can you think of changing the format of what you have got for ii) into this? any help would be appreciated.

tks in advance :D

hey guys, I stuck in this volume question. I don't even understand what is it talking about :( please help me with part a. any help would be appreciated. :) thanks in advance

the base of a particular solid is x^2+y^2=4. find the volume of the solid if every cross-section perpendicular to the x-axis is a parabolic segment with axis of symmetry passing through the x-axis and height the length of its base. I have drawn the diagram for it, but I don't know how can I...

how to integrate 1/ln(t+1) dt ?

I want to 'give myself a faith' so that I won't feel such helpless. that's what my advisor told me. she suggested me to go to a church, but I just don't know which one should I go to. is there anyone can give me some suggestion? I'm living around west ryde and epping. is there any church I can...

I just don't know what to do during the morning study. I use to get up at 5am (except Sat.) and I leave home at 0645/0615/0730 in weekdays, it's not effective to me because I don't know what do to. any suggestions?

hey guys, does anyone know how can I log in Biki? I'm having troblem to log in, but I don't know what's the problem. I went to the HELP section and I still can't figure out why. please give me some advices. thanks in advance