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Write-the-first-five-series-indicating-the-5th-term-5th-partial-sum-n-1-t-n-where-t-n-1-for-n-1-1-2-for-n-2-




Question Number 27685 by NECx last updated on 13/Jan/18
Write the first five series indicating  the 5th term,5th partial sum    Σ_(n=1) ^∞ t_n , where  t_n = { ((1                                    for n=1)),(((1/2)                                  for n=2)),((1−(1/2)+...+(−1)^(n+1) ((1/n))   for   n>2)) :}
Writethefirstfiveseriesindicatingthe5thterm,5thpartialsumn=1tn,wheretn={1forn=112forn=2112++(1)n+1(1n)forn>2
Commented by NECx last updated on 12/Jan/18
The three t_n  are meant to be joined  but I dont know how to write it  with the app editor.
ThethreetnaremeanttobejoinedbutIdontknowhowtowriteitwiththeappeditor.
Commented by prakash jain last updated on 12/Jan/18
You can rows or columns. press line and  matrix option on the left side.
Youcanrowsorcolumns.presslineandmatrixoptionontheleftside.

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