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21-03-2017
Mathematics

contestada

Find the 8th term in the sequence: x + 1, 2x + 1, 3x + 1,...

8x + 1
8x + 8
9x + 1
9x + 8

Respuesta :

TheHero TheHero

24-03-2017

The common difference is x

the first term is x+1

a_8 = x+1 + x(8-1) = x+1 + 7x = 8x + 1

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