- #1

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- 0

Find delta using the definition of limits, given epsilon = 0,25

lim 1 / (2-x) = -1/3

x->5

Answer should be delta = 1

How can I get it?

Thanks.

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- Thread starter gefops
- Start date

- #1

- 1

- 0

Find delta using the definition of limits, given epsilon = 0,25

lim 1 / (2-x) = -1/3

x->5

Answer should be delta = 1

How can I get it?

Thanks.

- #2

- 2,011

- 288

Apply the definition of limits to

lim 1 / (2-x) = -1/3

x->5

lim 1 / (2-x) = -1/3

x->5

- #3

Landau

Science Advisor

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- #4

- 532

- 5

You musn't have understood the book or whatever you used to learn about the formal definition of the limit.

I can't go crazily deep into it but I'm sure my links will help you understand the idea behind it.

http://www.5min.com/Video/The-Formal-Definition-of-a-Limit-169078903

This link will give you an idea of the general idea.

http://www.youtube.com/watch?v=-ejyeII0i5c&feature=youtube_gdata

This video (and the one following it in the playlist) give some examples on applying it.

http://docs.google.com/viewer?a=v&q=cache:_OYvmsulbDIJ:www.ocf.berkeley.edu/~yosenl/math/epsilon-delta.pdf+epsilon-delta+limit+example&hl=en&sig=AHIEtbQijZifL9dG46lTjmQMCpKpcrrY1g [Broken]

This pdf is also very useful.

Personally, most of the places I've seen this version of the limit discussed have always left me in the dark, shameful authors, this idea is so simple & intuitive idk why they can't explain it properly.

I can't go crazily deep into it but I'm sure my links will help you understand the idea behind it.

http://www.5min.com/Video/The-Formal-Definition-of-a-Limit-169078903

This link will give you an idea of the general idea.

http://www.youtube.com/watch?v=-ejyeII0i5c&feature=youtube_gdata

This video (and the one following it in the playlist) give some examples on applying it.

http://docs.google.com/viewer?a=v&q=cache:_OYvmsulbDIJ:www.ocf.berkeley.edu/~yosenl/math/epsilon-delta.pdf+epsilon-delta+limit+example&hl=en&sig=AHIEtbQijZifL9dG46lTjmQMCpKpcrrY1g [Broken]

This pdf is also very useful.

Personally, most of the places I've seen this version of the limit discussed have always left me in the dark, shameful authors, this idea is so simple & intuitive idk why they can't explain it properly.

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