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Re: MX2 2016 Integration Marathon Next question, one of my favourites: \int \frac{x^{2}}{1+x^{4}} dx

Re: MX2 2016 Integration Marathon

Thanks. I might also consider skipping my Thursday/Friday 1901/SSP 8am lectures, given how early I'd have to wake up (especially seeing as I live so far away from the city)

Hey guys, would I be alright if I skipped a MATH1902 lecture once a week, and listened to it online? (I've heard that listening to maths lectures [instead of attending] isn't ideal because maths is best learnt in a visual format, but I feel like, surely it wouldn't be too hard to follow along...

Ah, good question. Haven't thought about it much really, to be honest. Probably O week, unless I visit the uni before then. What about you?

Ah okay, thanks. *desperately hopes that new timetable is only 4 days, not 5*

Okay, I have a Q for anyone who could possibly help: Currently I'm enrolled in MATH1901, which allows me to skip Tuesdays if need be (I have 2 lectures on Tuesdays and that's it). But, assuming I'm invited into MATH1906 (SSP maths), I'll have an extra SSP seminar on Tuesday arvos; and I'll also...

:'( Edit: just realised it's actually 26 when ssp is included (without even beginning to think about extra hours from tsp)

tfw 25 contact hours lmao

Re: MX2 2016 Integration Marathon hopefully the image works properly this time

Re: MX2 2016 Integration Marathon Part (i) reminds me of question 16b (I think?) in the 2014 HSC Anyhow, I bags answering this Q; will post up my sol'n soon

Re: MX2 2016 Integration Marathon Tbh, wouldn't have been surprised if you were being serious

Yup. Also, OP, I found an interesting piece of info in my notes regarding hydrohalogenation (not specific to ethylene) which you may find useful: The hydrogen in the compound that's being reacted with ethylene (e.g. the H in HBr) will bond to the carbon atom which is already bonded to the...

It's worth memorising the following examples of ethylene reactions, as well as their equations: Hydrogenation Hydration Hydrohalogenation Halogenation (Of course, also remember the catalysts for the reactions, e.g. nickel for hydrogenation)

Re: MX2 2016 Integration Marathon Ah, thankyou, I should have seen to do that. (especially given that I did a similar thing in part a)

Re: MX2 2016 Integration Marathon Yeah, and the answer that I get for 2I ( \frac{\pi }{\sqrt{2}} ) (apparently) isn't right; wolfram alpha confirms that I should get \sqrt{2}\pi as my answer for 2I

Re: MX2 2016 Integration Marathon For some reason, I seem to lose a factor of 2 during the final substitution (meaning that my final answer is \frac{\pi }{2\sqrt{2}} instead of \frac{\pi }{\sqrt{2}} ). Can someone please point out where I went wrong? (excuse my current mathematical...

Yes, absolutely (if you do well enough in the rest of your assessments and in the external exam).

This is incorrect - in order for |z1 + z2| to equal |z1| + |z2|, the vectors must point in the same direction, i.e., z2 = k*z1, where k is a positive constant.

For the sake of keeping this thread dedicated to Physics, I'll pm you