Is the series -LSB- math -RSB- \ displaystyle \ sum _ -LCB- n = 1 -RCB- ^ -LCB- \ infty -RCB- \ lim _ -LCB- n \ to \ infty -RCB- -LRB- -1 -RRB- ^ -LCB- n -RCB- \ frac -LCB- 1 -RCB- -LCB- n ^ -LCB- \ frac -LCB- 1 -RCB- -LCB- n -RCB- -RCB- -RCB- -LSB- / math -RSB- convergent or divergent ?
Is the series convergent or divergent ?