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01-02-2018
Mathematics

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what is the nth term for the following 7, 14, 23, 34,47, 62, 79

Respuesta :

01-02-2018

The nth term, A(n) = 7 + (2n+3)(n-1)
A(n) = 7 + 2n² - 2n + 3n - 3
A(n) = 2n² + n + 4

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