Stage: 5 Challenge Level: 
With this question, you need to work through each piece slowly and
carefully. Take your time to understand the symbols and say the
equations out loud.
Manipulating algebraic expressions/formulae. Dynamical systems. Generalising. Patterned numbers. Number theory. Mathematical reasoning & proof. Quadratic equations. Inequality/inequalities. Theorem and contrapositive. Stage 5 - Reviewed 2012.
Published February 2009.
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