Предмет: Алгебра, автор: vasilkovskaavika7

послідовність задано формулою cn=n²+2n². Знайдіть с2, c5, c10​

Ответы

Автор ответа: denis1314143
0

Ответ:с1=6

с2=15

с3=30

Объяснение:

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