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In hindsight, I think the Extension 1 paper either equal to or a little less difficult than previous years. But I can promise that Extension 2 is easier.

Don't worry everybody, these exams are much easier than previous years so I think you'll enjoy the paper.

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You can find the map here. https://web.timetable.usyd.edu.au/venuebookings/venueDetails.jsp?venueId=1814 Once you go down the main walkway (long wooden 'bridge' walkway), you will eventually see a cafe and the Co-op bookstore to your left. There will also be the aquatic centre to your left...

I will distribute the numbers on the day. We just printed the Extension 2 paper! We will be printing Extension 1 in the morning tomorrow whilst you are all sitting the first paper. Please check your names against the list in my first post to make sure you're in there. Sent from my SM-G928I...

3 spots left.

All people who have messaged me, there are still some spots remaining. So I've added you all in, but have not had the time to respond.

The two marks was aimed at the combinatoric proof. If students could not see how to prove it combinatorically, I gave them the option of proving it from scratch algebraically (as you did). A bit more work than for 2 marks, yes. But better than receiving no marks because they are forced to use...

Well done, this was the "or otherwise" method. Though my expectation was that students would do it the other way around.

Mostly correct, except the last line should have the 2's multiplied instead of added. Well done.

Here is one of the questions I scrapped. Felt it was too straightforward, and also it's quite easy to prove the result using the "or otherwise" method. Was originally going to be Question 16 (a) of Extension 2, then got downgraded to Extension 1, then eventually scrapped.

I wouldn't be surprised if somebody went well beyond 70% this year. There are of course a few nasties in there to catch out those who are blindly doing questions and not thinking about the significance of each result, but other than those it'll be quite friendly.

I am sure you'll get there. MC is also substantially easier (and less tedious/time consuming) than previous years. Also, the mark allocation is now much more generous than previous years.

If it makes you feel better, I've made the last question SUBSTANTIALLY easier than previous years. It's still a nice result, but nowhere near as difficult as previous years. Trebla would most likely agree with me here.

I have all your responses! So I've received multiple messages from some of you, but not a problem your name is in the list if you emailed me with the template provided. Both events now have exactly 50 people attending. I will be stretching the event to allow up to 60 people. That is, I have...

Okay I've added everybody in. Extension 1: 41/50 Extension 2: 43/50

Okay adding people to the list now, but it seems like the event is already nearly full.

Difficult to give a set time period as chunks of the exam were made throughout the year. Sometimes we use questions that were made in previous years, but decided not to use it that year for a variety of reasons ie: not enough marks.

Most of the Extension 2 paper is done now except for Q16 (a). I will discuss with Trebla what I can/can not 'give away' about the contents of the paper.