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26-04-2017
Mathematics

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The nth term of a sequence is n2 + 3. Find the first 3 terms of this sequence.

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26-04-2017

assuming you mean[tex]n^2+3[/tex]

first term is n=1, so 1²+3=1+3=4
2nd is n=2 so 2²+3=4+3=7
3rd is n=3 so 3²+3=9+3=12

the first 3 terms are 4,7,12

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