FREE Download: 2005 NSW BOS Mathematics Extension 1 Solutions – PDF 131KB
FREE Download: 2005 NSW BOS Mathematics Extension 2 Solutions – PDF 116KB
FREE Download: 2008 NSW BOS Mathematics Extension 2 Solutions – PDF 188KB
NSW BOS Mathematics Extension 1 Solutions 2008 – PDF 152KB
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FREE Download: 2008 NSW BOS General Mathematics Solutions – PDF 68KB
FREE Download: NSW BOS General Mathematics Solutions – PDF doc 131KB
FREE Download: NSW BOS Mathematics Solutions – PDF doc 155KB Thanks to Patrick He for pointing out that in question 4. a) iii) finding the area of the sector BCD, it should be 3root3 squared instead of 3 squared.
FREE Download: NSW BOS Mathematics Extensions 2 Solutions – PDF doc 189KB
FREE Download: NSW BOS Mathematics Extensions 1 Solutions – PDF doc 146KB