| Giver | Post | Date |
| abhimanyujain1711 | Re: The sum S of the arithmetic sequence a, a+d, a+2d,..., a+(n-1)d is giv | 14-Jun-2021 |
| strateGmat | Re: The sum S of the arithmetic sequence a, a+d, a+2d,..., a+(n-1)d is giv | 14-Jan-2018 |
| Environo0792 | Re: The sum S of the arithmetic sequence a, a+d, a+2d,..., a+(n-1)d is giv | 07-Feb-2017 |
| Beat720 | Re: The sum S of the arithmetic sequence a, a+d, a+2d,..., a+(n-1)d is giv | 01-Dec-2015 |
| Bunuel | Re: The sum S of the arithmetic sequence a, a+d, a+2d,..., a+(n-1)d is giv | 20-Oct-2015 |