Dave2067
Dave2067 Dave2067
  • 10-06-2016
  • Mathematics
contestada

What is the value of the fourth term in a geomtric sequence for which a1=15

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caylus
caylus caylus
  • 11-06-2016
Hello,

If you know the ration (i don't)
a(4)=a(3)*r=a(2)*r²=a(1)*r^3
==>a(4)=15*r^3



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