Дана арифметическая прогрессия: \( 6, -3, -12, -21, …\) Сравните \( (a_{16} + a_{20})\) и \( (a_{17} + a_{19}){ .}\) \( (a_{16} + a_{20})\) ? \( (a_{17} + a

Задание

Дана арифметическая прогрессия: \(\displaystyle 6, -3, -12, -21, …\)

Сравните \(\displaystyle (a_{16} + a_{20})\) и \(\displaystyle (a_{17} + a_{19}){\small .}\)

\(\displaystyle (a_{16} + a_{20})\) [?|<|>|=] \(\displaystyle (a_{17} + a_{19}){\small .}\)