i got this example:(adsbygoogle = window.adsbygoogle || []).push({});

http://img405.imageshack.us/img405/2299/64500275qt5.gif [Broken]

i got a sequence of numbers

i cant understand from where they conclude that the limits of every sub sequence is {2,1,0,-1}

there are no sub sequences pointed out

there are no formulas for each sub sequence

how did they came with

that the limits of every sub sequence is {2,1,0,-1}

??

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# Homework Help: Lim inf/sup question

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