emmafrack emmafrack
  • 13-04-2017
  • Mathematics
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Which expression represents the series 1+5+25+125+625

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Аноним Аноним
  • 13-04-2017
[tex]a_n=5^n[/tex]
where n starts at 0.

[tex]a_n=5^{(n-1)}[/tex]
where n starts at 1.
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