Problems involving limits in calculus

  • #1

Homework Statement


lim [(5^(n+1))+(7^(n+1))]/(5^n-7^n) as x→infinity
lim [sec x - tan x] as x → ∏/2
 

Answers and Replies

  • #2
HallsofIvy
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Sigh. So you did not read the introductory material nor look at very many posts here. If you had, you would have realized: "This is perhaps the most common mistake that new members make. When posting homework, if you do not make any attempt yourself, then other people are not allowed to help at all!! This holds particularly true in the homework forums!"
 

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