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amariettSophi3a4e
amariettSophi3a4e amariettSophi3a4e
  • 27-07-2016
  • Mathematics
Answered

find the first six terms of the sequence. a1 = -1, an = 2 • an-1(7 points)

Verified Answer :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 31-07-2016

an = 2 a(n-1)
a1 = -1
a2 = 2
a1 = 2 -1 = -2
a3 = 2
a2 = 2 -2 = -4
a4 = 2
a3 = 2 -4 = -8
a5 = 2
a4 = 2 -8 = -16
a6 = 2
a5 = 2 * -16 = -32

Therefore, first six term are: -1, -2, -4, -8, -16, -32

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