FREE Download: 2013 NSW BOS Mathematics Extension 1 Solutions – PDF 99KB

Sincere thanks to Lyn Harris for vetting the solutions.

FREE Download: 2013 NSW BOS General Mathematics Solutions – PDF 82KB

Thanks to Lyn Harris for vetting the solutions.

FREE Download: 2013 NSW BOS Mathematics Solutions – PDF 117KB

Thanks to Lyn Harris for pointing out the following:

In question 15 part c (ii) there is an additional case to consider. If the line y=mx+1 passes through the point (1.5,0), then m=-2/3; also m = or > 2 instead of just m > 2.

FREE Download: 2013 NSW BOS Mathematics Extension 2 Solutions – PDF 146KB

FREE Download: 2012 NSW BOS General Mathematics Solutions – PDF 63KB

Note: Thanks to Lyn Harris for pointing out a mistake in question 28 e). When working out the annual flat interest rate, the principal should be $2520 as you won’t pay interest on the deposit.

FREE Download: 2012 NSW BOS Mathematics Extension 2 Solutions – PDF 137KB

Thanks to Lyn Harris for pointing out a typo in Question 14 a) – the last 2 steps.

It shoud read 1/2 loge (x^2+4) instead of 1/2 loge (x^2+1), and the same correction to the final answer.

FREE Download: 2012 Mathematical Methods CAS Trial Exam 1 Solutions – PDF 62KB

Thanks to Michelle Foo for pointing out an error in the solution to Q7. The correct answer: 0 < k < 1.

Please go to itute math. methods forum for an explanation.

FREE Download: 2011 NSW BOS General Mathematics Solutions – PDF 68KB

FREE Download: 2011 NSW BOS Mathematics Extension 1 Solutions – PDF 79KB

FREE Download: 2011 NSW BOS Mathematics Solutions – PDF 82KB