If \displaystyle a_{1},a_{2},...a_{n} be an A.P. of +ive terms, th | Filo

Class 11

Math

Algebra

Sequences and Series

553
150

If  be an A.P. of +ive terms, then  where d is common difference of A.P. If you think this is true write otherwise write ?

1. 1
Solution:
or