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INeedHelpPlease?
 one year ago
How to find nth term of the series,and therefore Sum of n terms?
INeedHelpPlease?
 one year ago
How to find nth term of the series,and therefore Sum of n terms?

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

INeedHelpPlease?
 one year ago
Best ResponseYou've already chosen the best response.0but that doesn't match for n=3?

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1dw:1389456863526:dw do this for every term

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1yeah, 1/n(n+3) will not work,

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1that "...n" implies thatere are total n terms ?

hartnn
 one year ago
Best ResponseYou've already chosen the best response.11/ [ (3n2)(3n+1)] this works ?

INeedHelpPlease?
 one year ago
Best ResponseYou've already chosen the best response.0how did u think of that ? :

INeedHelpPlease?
 one year ago
Best ResponseYou've already chosen the best response.0works i guess

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1easy difference of 3 so multiple of 3 1..4...7..are all 1 less than multiple of 3

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1did u get what to do for each term ? partial fraction kind of thingi

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

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1did u get what i did in the drawing ?

INeedHelpPlease?
 one year ago
Best ResponseYou've already chosen the best response.0which drawing O_O

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1if yes, do it for 2nd term and tell me what u get

INeedHelpPlease?
 one year ago
Best ResponseYou've already chosen the best response.0why did u do that?

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