Bishnu

This page lists questions and answers that were posted by visitors named Bishnu.

Questions

The following questions were asked by visitors named Bishnu.

If sum of first 21 terms of an arithmetic progression is 13 and that of first 13 terms is 21, show that sum of first 34 terms is -34 ?
12 years ago

Answers

The following answers were posted by visitors named Bishnu.

qklw;w' wl;w;wm wk
2 years ago