devonlyric13
devonlyric13 devonlyric13
  • 01-06-2019
  • Mathematics
contestada

Help please and explanation please

Help please and explanation please class=

Respuesta :

carlosego
carlosego carlosego
  • 01-06-2019

For this case we must add the given series. We expanded the series for each of the values of i, that is, from 1 to 5:[tex]3 (1) +3 (2) +3 (3) +3 (4) +3 (5) =\\3 + 6 + 9 + 12 + 15 =[/tex]

We add the terms:

[tex]9 + 9 + 12 + 15 =\\18 + 12 + 15 =\\30 + 15 =\\45[/tex]

Finally, the value of the given series is 45.

Answer:

45

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