tabbyrain064 tabbyrain064
  • 13-05-2022
  • Mathematics
contestada

A sequence is defined recursively by the given formulas. Find the first five terms of the sequence.

an = 2(an − 1 + 4) and a1 = 5 (the n and n-1 is suppose to be a subscript, I just can't figure out how to make it like that)

Respuesta :

Аноним Аноним
  • 13-05-2022
  • a_n=2(a_n-1 +4)
  • a_n=2a_n-1+8

So

a_2

  • 2a_1+8=2(5)+8=18

a_3

  • 2a_2+8=2(18)+8=44

a_4

  • 2a_3+8=2(44)+8=96

a_5

  • 2a_4+8=2(96)+8=200
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