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This month:
Stage 1&2
Stage 2&3
Stage 3&4
Stage 4&5
And So on - and on -and On
Problem
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Stage: 5 Challenge Level:
Let $$ f_{0}(x)= \frac{1}{1-x}$$ and $$f_{n}(x)=f_{0}(f_{n-1}(x))$$ where $n = 1,2, 3, 4, ...$
Evaluate $f_{2000}(2000)$
Generalising
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Calculating with fractions
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Mathematical reasoning & proof
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Manipulating algebraic expressions/formulae
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Creating expressions/formulae
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Cyclic
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Recurrence relations
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Inequality/inequalities
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Number theory
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Stage 5 - Reviewed 2012
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Published November 2004,December 2004.
Help With Mathematical Display