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Hello, How would i approach this question and how would i solve it? Please show all working out and reasoning. P(x) is a monic polynomial of degree 4 with integer coefficents and constant term 3. One zero is 'i' , another zero is rational and the sum of the zeros is negative. Factorise P(x)...

My teacher has given me this year's complex number questions. Would you be able to do them so that i can check my solution? a) Let w=2-3i and z=3+4i i) Find (conjugate)w + z ii) Find |w| iii) Express w/z in the form a+ib, where a and b are real numbers. c) Find, in...

Currently, im doing Complex Numbers, it seems pretty simple enough. I feel behind because I just learnt modulus and argument form of complex numbers. My questions is; What parts/topics are you on now in your 4 unit class? Much appreciated, Kayven.

The cost 'c' (in dollars per hour) of running a boat depends on the speed v(km/h) of the boat according to the formula: C=500+40v+5v^2 on a trip of 100km from port A to port B, what speed will minimise the total cost of the trip? How should i approach a question like this? Show all working...

Hello, I'm from Sydney's South West Region. I just need to ask; do you know any good websites or stores which i can purchase HSC textbooks? I have tried: www.textbookexchange.com and it just takes so long for people to reply and some dont reply at all. I have tried the 'sell' section of...

I just wanted to ask some questions about the 4 unit maths course. My school is poorly ranked and is not quite as good. I was to choose 4 unit then i guess, i would be the only one doing it. Would this really matter? I did a 3 unit topic test on; circle geometry (I HATE CIRCLE GEO) and...