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Consider the sequence 2, 5, 10, 17, ... What is the value of a3a3 ?Consider the sequence 2, 5, 10, 17, ... What is the value of a3 a3 ? 251017
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Consider the sequence 2, 5, 10, 17, ...

What is the value of a3a3 ?Consider the sequence 2, 5, 10, 17, ...

What is the value of  a3

a3  ?

251017
User Eghosa
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1 Answer

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The sequence 2, 5, 10, 17... has the pattern
1 + 1 = 2
4 + 1 = 5
9 + 1 = 10
16 + 1 = 17
So, the next term would be:
25 + 1 = 26

The sequence is described the equation:
an = n² + 1

To solve for the nth term, the value n just has to be substituted.
User Botond Kopacz
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