Question

Evaluate:
\[\sum_{i=0}^{\infty}(1/2)^{i}\]

Answer 1

2

Answer 2

why is that again?

Answer 3

how do you solve it?

Answer 4

The formula for infinite geometric series is a/(1-r), where a is the starting value and r is the ratio. In this case, 1/2 is the ratio, and 1 is the starting value. 1/(1-(1/2)) = 1/(1/2) = 2.

Answer 5

EdgeOfTheEarth explained it better. :)

Answer 6

suhweet

Answer 7

sry for hijackin your thread marly =P