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INeedHelpPlease?
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How to find nth term of the series,and therefore Sum of n terms?
 9 months ago
 9 months ago
INeedHelpPlease? Group Title
How to find nth term of the series,and therefore Sum of n terms?
 9 months ago
 9 months ago

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INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
\[\Large S_n=\frac{1}{1.4} + \frac{1}{4.7} + \frac{1}{7.10}..n \]
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
@hartnn
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
n'th term 1/n(n+3)
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
but that doesn't match for n=3?
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
dw:1389456863526:dw do this for every term
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
yeah, 1/n(n+3) will not work,
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
that "...n" implies thatere are total n terms ?
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
yep
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
1/ [ (3n2)(3n+1)] this works ?
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
how did u think of that ? :
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
works i guess
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
easy difference of 3 so multiple of 3 1..4...7..are all 1 less than multiple of 3
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
***two less than
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
did u get what to do for each term ? partial fraction kind of thingi
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
how do i find Sn now? partial fraction?i remember it kinda  1/3((3n2)(3n+1))/(3n2)(3n3) ?
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
did u get what i did in the drawing ?
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
which drawing O_O
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
if yes, do it for 2nd term and tell me what u get
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
why did u do that?
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
1/4=3/4?
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
i'll correct it , wait
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
dw:1389457539226:dw
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
do the same thing for 2nd term, then 3rd term, and observe what happens, then you'll know why that was done
 9 months ago

INeedHelpPlease? Group TitleBest ResponseYou've already chosen the best response.0
okay
 9 months ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
did you get your sum ?
 9 months ago
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