28-03-2017
Mathematics

contestada

is 205 a term in sequences of 1,5,9,13

Respuesta :

28-03-2017

This is an arithmetic sequence, with common difference of 4, a = 1.

[tex] a_{n} [/tex] = a₁ + (n - 1)d
205 = 1 + (n - 1)4
204 = 4n - 4
208 = 4n
n = 52

So, yes. It is the 52nd term in the sequence.

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