August 2022 1 28 Report
Решите уравнение
1) 1 + x + x² + ... + x⁹ = 0
2) 1 + x + x² + ... + x¹⁰ = 0

Если а - первый член, q - знаменатель бесконечно убывающей геометрической прогрессии {an}, то найдите сумму:
a₁³ + a₂³ + a₃³ + ...
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