What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ?
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read what Scott told you last evening:
https://www.jiskha.com/display.cgi?id=1501461094
Recall the sum of an infinite geometric sequence is
S = a/(1-r)
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https://www.jiskha.com/display.cgi?id=1501461094
Recall the sum of an infinite geometric sequence is
S = a/(1-r)