anonymous
  • anonymous
Find the 5th term of the sequence in which t1 = 8 and tn = -3tn-1.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Michele_Laino
  • Michele_Laino
If I rewrite your formula with n=2, I get this: \[\Large {t_2} = - 3{t_1}\]
Michele_Laino
  • Michele_Laino
so, what is t_2 ?
anonymous
  • anonymous
t2=-24

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Michele_Laino
  • Michele_Laino
correct!
Michele_Laino
  • Michele_Laino
now, if I rewrite your formula with n=3, I get this: \[\Large {t_3} = - 3{t_2}\]
Michele_Laino
  • Michele_Laino
what is t_3
anonymous
  • anonymous
72
anonymous
  • anonymous
t4=-216 t5=648
Michele_Laino
  • Michele_Laino
correct!
Michele_Laino
  • Michele_Laino
those numbers are a geometric sequence whose constant is equal to -3
anonymous
  • anonymous
okay.
Michele_Laino
  • Michele_Laino
:)

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