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Expressing generality — the language of proof
18 questions
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n
n
n
is an integer.
(a)
Write down an expression, in terms of
n
n
n
, for any odd number.
(b)
Write down expressions for the next two odd numbers after
2
n
+
1
2n + 1
2
n
+
1
.
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Level 2
2 marks
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