Предмет: Алгебра, автор: dublyavublya

вычислить предел:
Lim
n → (знак бесконечности)
4n (в квадрате) - 8
_______________
2+3n - n (в квадрате)​

Ответы

Автор ответа: bena20193
1

Ответ:

Объяснение:

Lim    (4n²- 8)/(2+3n - n²)=

n → ∞

вынесем n² за скобки в числителе и знаменателе и сократим

=Lim n²[4- (8/n²)]/ n²[(2/n²)+(3/n) - 1]=

n → ∞

=Lim [4- (8/n²)]/[(2/n²)+(3/n) - 1]=

n → ∞

выражения с n и n² стремятся к 0 и их заменим на 0

=Lim 4/(-1)=-4

n → ∞

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