"The arithmetic mean of the series 1, 2, 4, 8, 16, ..... `2^n`is`(2^n-1)/(n+1)`(b) `(2^n+
Channel: Doubtnut
Date: 2020-04-05

"The
 arithmetic mean of the series 1, 2, 4, 8, 16, ..... `2^n`
is
`(2^n-1)/(n+1)`
(b) `(2^n+1)/n`
(c) `(2^n-1)/n`
(d) `(2^(n+1)-1)/(n+1)`"