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Андреe
@Андреe
July 2022
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Вычислите значение выражения
(b^100+b^90+b^98+b^97+b^96+b^95...+b^2+b+1)(b-1)-b^101, если b= -11,1
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IrkaShevko
Verified answer
Свернем в формулу:
b¹⁰¹ - 1 - b¹⁰¹ = -1 для любого b
Ответ: -1
2 votes
Thanks 1
Андреe
А как b^101 получается??
IrkaShevko
(b-1)(b^n + b^(n-1) + ... + b + 1) = b^(n+1) - 1
IrkaShevko
формула
Андреe
Спасибо
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Answers & Comments
Verified answer
Свернем в формулу:b¹⁰¹ - 1 - b¹⁰¹ = -1 для любого b
Ответ: -1