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## Homework Statement

lim [(5^(n+1))+(7^(n+1))]/(5^n-7^n) as x→infinity

lim [sec x - tan x] as x → ∏/2

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- Thread starter Angeline Ling
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lim [(5^(n+1))+(7^(n+1))]/(5^n-7^n) as x→infinity

lim [sec x - tan x] as x → ∏/2

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