Calogeno Calogeno

30-06-2016
Mathematics

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Find the sum of the following infinite geometric series of it exists. (2/5) +(12/25)+(72/125) + ...

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slayerplayer16 slayerplayer16

30-06-2016

i got 0.579968 that's my answer

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Аноним Аноним

30-06-2016

"why are all the units multiples of 6 on top and 5 on bottom?"
This is the common ratio for the geometric sequence: r = 6/5.

For a geometric series to have a sum, r must be between -1 and 1. Since 6/5 > 1, the series does not have an infinite sum.

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