FREE Download: 2010 NSW BOS General Mathematics Solutions – PDF 70KB
FREE Download: 2010 NSW BOS Mathematics Extension 1 Solutions – PDF 91KB
FREE Download: 2010 NSW BOS Mathematics Solutions – PDF 87KB Thanks to Greg Campbell of Think Tutoring for pointing out an error in Q2a, in which the quotient rule has been applied incorrectly. This has now been rectified. Thanks to Mathematics tutor Lynette Harris for pointing out errors in Q2d and Q4aiii, which have now…
FREE Download: 2010 NSW BOS Mathematics Extension 2 Solutions – PDF 140KB
FREE Download: 2009 NSW BOS Mathematics Extension 1 Solutions – PDF 83KB
FREE Download: 2009 NSW BOS Mathematics Solutions – PDF 78KB
FREE Download: 2009 NSW BOS General Mathematics Solutions – PDF 68KB Thanks to Sue Gilbert for pointing out that the correct solution to 2009 Q 27c is: Mary has the better chance. For Jane, Pr(wins at least one) = 1 – Pr(wins none) = 1 – (0.99)(0.99) = 0.0199.
FREE Download: 2009 NSW BOS Mathematics Extension 2 Solutions – PDF 104KB Note: Thanks to Richard Hoang for pointing out that in Q3aiii the sharp point at x = 0 should be a local minimum turning point, and the maxima should be closer to x = +/- 2 than 0.
FREE Download: 2005 NSW BOS General Mathematics Solutions – PDF 56KB
FREE Download: 2005 NSW BOS Mathematics Solutions – PDF 74KB