If the sum of n terms of an ap is np+1/2n(n-1)q,where p and q are constants.what is the common difference

Asked by aromal | 19th Jun, 2011, 11:59: PM

Expert Answer:

Answered by  | 20th Jun, 2011, 02:51: PM

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