SERIES +N/2+N/4+N/8......1

Question

FORMULAE FOR SERIES +N/2+N/4+N/8......1

Answer 1

=N(1/2 + 1/4 + 1/8 +...)  I am assuming that this is an infinite series

=N(sum of geometric series with r=½, a=½)

=N(1).

 

I don't know what you meant bythe 1 that followed the ..... so I ignored it.