The sum of the first 10 terms of the series `(5)/(1.2.3)+(7)/(2.3.9)+(9)/(3.4.27)+…..` is

The sum of the series (5)/(1.2.3)+(7)/(3.4.5)+(9)/(5.6.7)+.... is equal to

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

Find the sum of 7 terms of the series (16)/(27)-(8)/(9)+(4)/(3)- ….

Find the sum of 7 terms of the series (16)/(27)-(8)/(9)+(4)/(3)- ….

Find the sum of first n terms of the series 1.3 + 2.5 + 3.7 + 4.9 +…..

Find sum of first 10 terms of geometric series 3,9, 27,……

The sum of the first 9 terms of the series (1^(3))/(1)+(1^(3)+2^(3))/(1+3)+(1^(3)+2^(3)+3^(3))/(1+3+5)...... is :