Find the sum of n terms of the following series 3.8+6.11+9.14+............?

Asked by  | 6th Jul, 2008, 11:49: PM

Expert Answer:


nth term of this series is Tn=3n(3n+5) = 9n2+15n

thus, sum of n terms of this series is

  Tn = 9n2+15n


Answered by  | 14th Jul, 2008, 03:50: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.