theljweber
theljweber theljweber
  • 25-04-2022
  • Mathematics
contestada

1. Find the sum of the series
15
∑ (2n-1)
n-1.
Show your work.​

Respuesta :

Аноним Аноним
  • 25-04-2022

[tex]\\ \rm\Rrightarrow \sum^{15}_{n=1}2n-1[/tex]

[tex]\\ \rm\Rrightarrow 2(1)-1+2(2)-1\dots+2(15)-1[/tex]

[tex]\\ \rm\Rrightarrow 1,3,5\dots 29[/tex]

Sum of first 15 odd nos

  • n²
  • 15²
  • 225
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