Thread
:
(x^k) - 1 = (x - 1)*(x^(k-1) + x^(k-2) + ... + x + 1)
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General_Sax
#
7
Feb10-12, 12:55 PM
P: 450
Thanks for the help people. I think I've got it. Just used formula for geometric series and did some algebra -- hope it's good enough.