angelinaskerrit
angelinaskerrit angelinaskerrit
  • 11-03-2017
  • Mathematics
contestada

Determine whether the sequence converges or diverges. If it converges, give the limit.

108, -18, 3, negative one divided by two, ...

Respuesta :

ghanami
ghanami ghanami
  • 12-03-2017
Hello:
(3)/(-18)  =(-18)/(108)= (-1)/(6)
the sequence is géometric when : q= (-1)/(6)
un = u1 × q^(n-1)
un = 108 × ((-1)/(6))^(n-1)
(un)  converges to : 0            1  >q>-1
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