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25-10-2016
Mathematics

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Find the nth term for this sequence 5,9,13,17,21

Respuesta :

25-10-2016

Here, a = 5, d = 9-5 = 4

A(n) = a+(n-1)d

A(n) = 5+(n-1)4

A(n) = 5+4n-4

A(n) = 4n+1

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