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Hi - don't know where to start for i). The solution we were given involved =k( /a + /b) which contains unit vectors, which I don't really get. I know that we can't just equate k to c, because that would mean that c is a+b which is wrong as question does not imply a rhombus. Thanks in advance...

yeah i called and they told me to prepare manual forms for yr 11 results and consult uac office tmrw morning when they open up calls

anu automatically uploaded my yr 12 details but didn't with yr 11 details - and i can't progress with my application. How do i solve this? I'm awaiting an email from ANU about this issue, but if there is a fast response I'd love to hear it. Thanks!

Is this possible to be solved using direct proof? From MANSW chal q Also, what do you begin to consider in general with proof questions with primes or factorials in them?

By expanding the left-hand side, show that \left(1+2z+3z^{2}+4z^{3}+5z^{4}+...+nz^{n-1}\right)\left(z-1\right)=n where z is an nth root of unity, n≠1 I noticed that it looked like a differential, and if you integrate it you get \left(1+z^{2}+z^{3}+z^{4}+...+z^{n}\right)=\int_{ }^{...

What scholarships can I get if I were to do bmed MD at UNSW OR Monash (High school leaver)? Not anything sports/music related, indigenous/lowSES/rural/female. Anything else (academic, cocurricular, leadership etc) is appreciated.

I would get actually hella fomo and focus would slowly spiral away if all of my friends were out relaxing and celebrating and i still had a week of HSC study left i'd just turn off all socials to be safe

Firstly, it's definitely not too late on the internal exam front. Hint, you probably have heavier-weighted assessments and trials coming up that will definitely outbalance your past exams if you do well. Secondly, even if you fail internals, having a good HSC examination mark (which accounts...

oh yeah f in the chat for the phys kids

lowkey I think i'd get more confident as the weeks go on - forcing myself to get more sleep than pre-exam days as well... just happy that English is first as always (good to see NESA behaving as it should), to get it done and over with fr

ayy the maths and sciences are all pushed like 3 days forward compared to last year so slightly earlier finish

how do you reconcile integrations with more than one answer? Is the difference accounted for with differing constant 'c's? Does that technically mean any answer for an integration is correct? argh e.g. when solving rev chain and using double angle. Clearly sin^2x/2 does not equal cos2x/4...

depends which 4u class you're in - one of them is 3hrs a week - with 3:30-5pm sun and 6-7:30 thu

Post/discuss your personalised timetable here: HSC begins from 11th OCT and finished 3rd NOV this year How to check your personalised timetable: 1. go to nesa, press 'log in' 2. enter your details (email your school if you don't know your details) to log in 3. click 'exam timetable' under...

My younger sister wants to get into USYD veterinary medicine - where one of the admission criteria is the CASPER sjt test - is it similar to ucat sjt and if not are there any books or online packages to use for prep?

could you expand on how you got from line 2->3? (sigma notation to integral) - it looks like the sum of the rectangle areas (trapezoidal rule?) but I'm stuck how the k and n changed to become in terms of 'x'.

can you do this: \frac{1}{n}\sum _{k=1}^{\:n}\:\lim _{n\to \infty }\left(\frac{1}{1+\frac{k^2}{n^2}}\right) then \frac{1}{n}\cdot\sum_{k=1}^{n}1 which equals \frac{1}{n}?\ I'm generally not sure how to solve lim questions involving sums... please help! Thank you! *ps also noticed that latex...

dark mode is extra ass for circular pfp legends like me or @enoilgam who map the circle colour with the light grey of light mode

ok thanks for ur help! I did b) but how would you do c)? doesn't that statement imply =0: can you solve this integral without using by parts? edit: I think I would need to take the limit as t approached infinity of both sides because there is an unended ... - but I still need to learn how to...

how to do 11a)?