angelaalien13
angelaalien13 angelaalien13
  • 01-01-2018
  • Mathematics
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4) Will Mark Brainliest + 10 points!

4 Will Mark Brainliest 10 points class=

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Аноним Аноним
  • 01-01-2018
fifth term / second term = a1r^4 / a1r = r^3 = 768 / -12 = -64

so r = -4  and first term a1 =  -12/-4 = 3  

answer is  3*(-4)^(n-1)

Its C
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