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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