Предмет: Математика, автор: NivalFox

найти общий член ряда
1+1/4+1/9+1/16+1/25

Ответы

Автор ответа: sedinalana

0

Числитель дроби 1,а знаменатель квадраты последовательных натуральных чисел
ak=1/k²,k∈z

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