<a href="http://www.boredofstudies.org/courses/maths/3u/2003_Mathematics_Extension_1_HSC_Sol_Jeff_Geha.pdf">http://www.boredofstudies.org/courses/maths/3u/2003_Mathematics_Extension_1_HSC_Sol_Jeff_Geha.pdf</a>
(See the Extension 2 forum for solutions to that paper.)
(See the Extension 2 forum for solutions to that paper.)