Question 286845
find the sum of the infinite series 1/2 + 1 + 2 + 4 ... how do i do this please help if possible. thanks

1/2 * 2^0 +      (1/2)
1/2 * 2^1 +      (1)
1/2 * 2^2 +      (2)
1/2 * 2^3 + ...  (4)

{{{ (sum( 2^n, 0, infinity ))/2 }}}