Edexcel GCSE Mathematics · 1MA1
Specification N5 · Paper 1, Paper 2, Paper 3
Revise: Systematic ListingDecide whether repetition is allowed and whether order matters.
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GCSE Mathematics · key term
Using an option again after it has already been chosen.
Used by Edexcel
Specification N5 · Paper 1, Paper 2, Paper 3
Revise: Systematic ListingDecide whether repetition is allowed and whether order matters.
Check whether repetition is allowed and whether order matters. These conditions determine how many choices remain at each stage.
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