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I think theres something wrong in the worked solutions I have to this Q. Q: Given that z=cosθ+isinθ (i) Show than zn+z-n=2cos(nθ) (ii) Hence solve the equation 4z4-4z3+6z2-4z+4=0 Obviously got (i), and something goes wrong i nthe simplification in (ii) thx

ah yes, damn i just did it as well, thx anyway acmilan :)

another Q: If Un=52n+3n-1, show that Un is divisible by 9 for n≥1.

Q: If Un=9n+1-8n-9, show that Un+1=9Un+64n+64, and hence show that Un is divisible by 64 for n≥1. I can get the first part, not quite the second one. thx

and whats so good about the quadratic formula, to be your avatar? lolx

^ which school do you go to?

which 'Computer/IT courses' exactly?

Is it possible to choose any of the electives from Comp Eng in a Computer Science degree?

Which one has more curries?

pesila, which school do u go to?

Wow, i havent seen this combo from other unis! Do any of you guys do this combined degree? I want to do an Electronics major for eng and something like computer graphics/image processing for IT. Any advice on this combination?

what do they actually ask you about the related subjects?

^ Which side is your weakness? :p

I havent been inclined to try out programming thats all, i'll have to see how it goes in the course then decide between comp and elec.

These are my current ones, anyone got advice on them? :) I. B Engineering (Computer)/B Commerce (Finance) -UNSW (Kensington), 5.5F: 425015, 93.00 OR B Engineering (Electrical)/B Commerce (Finance) -UNSW (Kensington), F: 5.5F: 425015, 93.00 II. B Engineering (Computer)/B Science...

draw a diagram of all the forces for a start then resolve the horizontal and vertical components accordingly

hmm yeah, also I heard they said at the UNSW open day that commerce is very likely to go from last years 93 cutoff to 95..

^ Yeah Diophantus is also related to the 'invention' of algebra.

ah right, lol thanks, I only remembered seeing it on that page on Wolfram.

haha go Buchanan!, zomg Maths Teachers talking about sex...