[" of the series is "],[" sum to insinity of the sexies "1+(4)/(5)+(t)/(8^(2))+(10)/(8^(3))+-2.]

Find the nth term sum of n terms and sum to infinity terms of the series (1)/(2.5)+(1)/(5.8)+ (1)/(8.11)+ ...

The sum to infinity of the series (1)/(2.4)+(1)/(4.6)+(1)/(6.8)+(1)/(8.10)+...... is

Sum to n terms of the series (1)/(2 . 5) +(1)/(5 . 8)+(1)/(8 . 11)+..=

The sum of the series 1 + (5)/(2) + (9)/(4) + (13)/(8) + ….. is

Find the sum of the series 1, (2)/(5), (4)/(25), (8)/(125),… prop .

8(3)/(5)+1(2)/(5)-4(3)/(10)

Sum to n terms of the series (1)/(5!)+(1)/(6!)+(2!)/(7!)+(3!)/(8!)+...... is

Find the sum of n terms of the series (1)/((2 xx 5))+(1)/((5xx8))+(1)/((8xx11))+... .

The sum to n terms of the series 3^(2)+8^(2)+13^(2)+...