If `S_(n)` denotes sum of first `n` tem of a series and if `S_(n+2)-S_(n)=n^(2)` then `S_(20)` is
Channel: Doubtnut
Date: 2020-01-26

If `S_(n)` denotes sum of first `n` tem of a series and if `S_(n+2)-S_(n)=n^(2)` then `S_(20)` is `(\"given that\" T_(1)+T_(2)=0)`