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Mathematics 13 Online
OpenStudy (anonymous):

geometric series question... pls read further

OpenStudy (anonymous):

OpenStudy (anonymous):

@ganeshie8 is needed here.. :)

ganeshie8 (ganeshie8):

lol another rtf here it is http://prntscr.com/1gmtf1

ganeshie8 (ganeshie8):

looks your files are getting opened properly in many systems.

OpenStudy (anonymous):

thnks again :)

ganeshie8 (ganeshie8):

np, so its an infinite geometric series and the sum exists oly if the series is 'converging'

ganeshie8 (ganeshie8):

how to knw whether its 'converging' or 'diverging' ?

OpenStudy (anonymous):

not really

ganeshie8 (ganeshie8):

its easy actually, look at the SUM expression, and tell me whats 'r'

ganeshie8 (ganeshie8):

Here is the thing :- if |r| < 1 , then its converging if |r| > 1, then its diverging

OpenStudy (anonymous):

oh

ganeshie8 (ganeshie8):

so figure out what 'r' is first

OpenStudy (anonymous):

coverging

ganeshie8 (ganeshie8):

|dw:1374384408540:dw|

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