Question

evaluate

Answer 1

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

Answer 2

\[\sum_{i=0}^{\infty}r^i=\frac{1}{1-r}\]use \(r=\frac{1}{2}\) to find the answer

Answer 3

\[\frac{1}{1-\frac{1}{2}}=\frac{1}{\frac{1}{2}}=2\]

Answer 4

thanks youu!!!