absol SG this is my soln...i thought it would be very complex, end up its either nt that complex at all or im wrong -.-
lpx88 SG Here it is.http://img194.imageshack.us/img194/9736/ccf1910200900000.jpgSorry for bad handwriting. Like I said I'm quite unsure if I did it correctly even though I have proven the M.I. Feel free to point out any mistakes or stuff that I overlooked in my wrking as well.Thanks!
wee_ws SG Dear absol and Ipx88, Great effort! We always go back to basics even though the context of the problem may change :) Do try the DE question that incorporates rates of change. Jiayou!Cheers, Wen Shih
