Dsap9Kareosboot
Dsap9Kareosboot Dsap9Kareosboot
  • 06-07-2016
  • Mathematics
contestada

find the 40th term of the arithmetic sequence. -1, -5, -9, -13, -17,

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caylus
caylus caylus
  • 06-07-2016
Hello,

[tex]r=-4\\ u_{1}=-1\\ u_{2}=-1+r\\ u_{3}=-1+2r\\\\ u_{40}=-1+39r=-1+39*(-4)=-1-156=-157\\[/tex]

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