[" The sum of the first "n" terms of the series "],[(1)/(2)+(3)/(4)+(7)/(8)+(15)/(16)+......." is "]

If the sum of the first n terms of the series

Sum of first 'n' terms of the series = (3)/(2) + (5)/(4) + (9)/(8) + (17)/( 16) + …..... =

Sum of the first n terms of the series (1)/(2)+(3)/(4)+(7)/(8)+(15)/(16)+... is equal to (1988,2M)2^(n)-n-1(b)1^(6)-2^(-n)n+2^(-n)-1(d)2^(n)+1

Sum of the first n terms of the series (1)/(2)+(3)/(4)+(7)/(8)+(15)/(16)+... is equal to 2^(n)-n-1 b.1-2^(-n) c.n+2^(-n)-1 d.2^(n)+1

The sum of first n terms of the series (2)/(3)+(8)/(9)+(26)/(27)+...... is

The sum of first n terms of the series (3)/(5) + (21)/(25) + (117)/(125) + …. is

The sum of first n terms of the series (4)/(3),(10)/(9),(28)/(27),(82)/(81),(244)/(243),... is

Find the sum of first n terms of the series 1^(3) + 3^(3) + 5^(3) +…