hi...this is the problem:

lim (ri)^n , when n -> infinite, i*i=-1 and r>0

thank you

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- Feb 25th 2009, 10:23 PMinzaghinaa limit
hi...this is the problem:

lim (ri)^n , when n -> infinite, i*i=-1 and r>0

thank you - Feb 26th 2009, 07:29 AMHallsofIvy
- Feb 26th 2009, 10:26 AMinzaghina
thank u so much for your answer.