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I think the mastering HSC mathematics extension 1 and 2 series are excellent. I used them in conjunction with Cambridge.

They did the same thing last year with Q16 a which was from Q21 page 65 and problem 1 page 66 from Jonathan Le Mastering HSC Maths.

Yes there was. It was Q10

68 to 70% e4 cut off

2022 was harder than 2023

I think today’s exam slightly more difficult than 2021. But scaling has been pretty similar last 4 years.

If you look at the scaling of the extension 1 maths HSC over the last 4 years, it’s been fairly similar. This years will be the same.

Harder than 2020 and 2021

93 to 94

That’s what I got

Yes. Had to divide numerator and denominator by e raised to 2 theta and then it all worked out.

That’s x squared on denominator

MCQs about same like last year. Q11-13 probably a bit easier than last 2 years. I struggled with the integral in Q13 until I realised you had to divided numerator and denominator by e2 theta and then it was easy. Question 14 was hard but not as hard as last 2 years. I couldn’t get out the...

I think there will be a difficult differential equations question on modelling time dependence of a conserved substance in a tank. There may also be a bearings question like 2021 with a plane flying and there is a wind blowing in a certain direction and you have to determine the course the pilot...

That question is from the sample extension 1 HSC paper NESA put out in 2020. It’s definitely not a leak!!!!

Harder than 2021

Also what was the point of Q16a. It was not extension 2 maths. It was advanced maths. They dressed it up like it was SHM but it was just m1x m2 =-1. Sure it looked elegant but had nothing to do with SHM or extension 2 maths.

88 to 89