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16 June, 14:24

Which formula can be used to describe the sequence below?

-8, - 5, - 2, 1, 4, ...

an=-8an-1 + 3; a1 = - 8

a, = 3an-11; a1 = -8

an = 3an-1; a1 = -8

an = an-1+3; a1 = -8

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Answers (1)
  1. 16 June, 14:47
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    An=A1 + (n-1) d

    A2=-8 + (2-1) 3

    A2=-8+3=-5
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