for any positive integer n , prove that n^3-n is divisible by 6

Asked by shuchi | 29th Jun, 2008, 08:16: PM

Expert Answer:

Dear Student,

The given expression can be expressed as (n-1)*n*(n+1) which indicates nothing but the product of three consecutive integer with n greater than or equal to 2.The explanation has been done in your previous query.

Answered by  | 29th Jun, 2008, 09:12: PM

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