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Mathematics, 26.02.2021 15:30 brisamauro27

A) Find the nth term of the following sequence: 3, 11, 25, 45, 71, ...

b) Helena says that the 12th term in the sequence is 421. Is she correct?​

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A) Find the nth term of the following sequence: 3, 11, 25, 45, 71, ...

b) Helena says th...
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