lavishbre12 lavishbre12

08-03-2018
Mathematics

contestada

What is the sum of the series?

4+12+36+108+...+8748

8908

10,204

13,120

17,816

Respuesta :

08-03-2018

4 + 12 + 36... etc
is a sum that can be rewritten in form

4 ( 1, 3, 9, 27, 81, etc) this can further be written in sigma notation:

4 Sigma [ 3 ^ ( i - 1)]

The sum of the indefinite summation will be the limit as i goes to infinity = infinity

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