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  1. akuchan

    B Digital Media....and Comp Sci??

    Hey.. im just wondering.. is it compulsory to take computer science with digital media as of now, or can you still take digital media degree by itself. Also does it have alot of heavily assumed knowledge.. i didnt do any visual arts or IT or ipt in yr 12..so i could get higher uai, i did do sdd...
  2. akuchan

    Photovoltaic & solar energy??? Or any other engineering degree..

    Hey does anyone know much about this engineering degree.. .. I'm doing adv science degree right now but I'm planning to change to engineering... i'll figure that part out later... problem is i have no idea what engineering i want to do T.T freaking out like crazy right now, are all engineering...
  3. akuchan

    integrate e^y?

    (a)find area between curve y = lnx, x axis, x =2, and x = 4 it said use simpsons rule, which i got 2.16 and is right (b)then it says change subject of y = lnx to x, which is x = e^y (c)and 'Hence find the exact area of part (a) ' i integrated lnx to get xlnx - x... but im suppose to use x = e^y...
  4. akuchan

    trig limit thing?

    Find: lim 1 - cos2x x->0 x^2 answer is 2... i hate these questions
  5. akuchan

    Simpsons rule

    use simpsons rule with 4 subintervals to approximate definite integral of blah blah.. anyway the values are y0 = root 2 y1 = 1.08239 y2 = 1 y3 = 1.08239 y4 = root 2 i used the h/3[(yo+yn)+4(y1+y3).... formula but i keep getting 1.77 answer is 1.2 units^2 the values are correct i know...
  6. akuchan

    Intepreting a source

    *Mosaic of a company of actors hmm.. im suppose to intepret that source and say what it reveals about the leisure activities.. first problem is i cant find that picture in any book or site, or does anyone know where to find it? this is from an 8 mark question, but there is also another source...
  7. akuchan

    x (cos^1) x question

    how do u find the range of x (cos^1) x to be -pi <= y < pi/2 if cos^1 x has range of 0 <= y <= pi x_x
  8. akuchan

    Insertion Sort algorithm

    the enhanced algorithm in the sam davis book... i dont really understand what's CurrentItem = 2 CurrentDataItem = Item(CurrentItem) how exactly are they related.. is the CurrentItem like the index.. and the CurrentDataItem the value of that index? =/ but what i really dont get is ths shuffle...
  9. akuchan

    rates of change Q

    P = k/V P = pressure k is constand and V is volume if k = 100 for a certain gas, fine the rate of change in the pressure when V = 20 *lost* =/
  10. akuchan

    integrating sin^2 x

    integrate sin^2 x(degrees) show all/most working out plz
  11. akuchan

    Integration of trig question

    Find the volume, to 2 decimal places, of the solid formed.... y = sec (pi) x is rotated about the x-axis from x = 0 to x = 0.15 answer is..0.51 units cubed, but how?
  12. akuchan

    Integration using substitution help

    find... (integrate symbol) x/√(x^2 - 4) let u = x^2 - 4 answer suppose to be √(x^2 -4) + C howww x_x"
  13. akuchan

    Simpsons rule for volume

    X_X" dunno what im doing wrong but heres the question The curve y = 2^x is rotated about the x-axis between x = 1 and x = 2. Use Simpsons rule with 3 function values ..find volume... 3 significant figures the answer is 27.2 units cubed while i keep gettin 17.2 units cubed, well its getting...
  14. akuchan

    Quick question on boundaries

    just need to clear up exactly what are boundaries of a system Question: Imagine your software design and development class as a system. It contains physical components such as windows, a door, lights, the computers, tables and chairs. Students in the classroom and the teacher, this textboo igt...
  15. akuchan

    exponential equation??

    2^x = x + 1 solve for x =/ any ideas? i know x = 0 x = 1 but dunno the actual working out for it
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