Find the arithmetic mean of the series 1 , 3 , 5 , …, (2n-1) .

The arithmetic mean of the series 1 , 3, 3^(2) , …., 3^(n-1) is "_______" .

The arithmetic mean of 1,2,3…n is

The arithmetic mean of the numbers 1, 2, 3, ...., n is

Find the arithmetic mean of the following -17, -13, -9, -5, -1,………

The arithmetic mean of 1, 2, 3, ……., n is___

The arithmetic mean of 1,2,3, …… n is

Arithmetic mean of 1/2 & 1/3 is

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)