anonymous
  • anonymous
Need some help finding limit. I tried to show that the limit DNE by setting x as 0, but that didn't work, so I tried setting y as 0, that didn't work either, so I tried setting y as 2, and that didn't work either. I am a bit stuck :/ lim (2xy-2y)/(x^2+y^2-2x+1) X,Y-> (1,0)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
sorry, I meant to say, not to find the limit, but to show that it doesn't exist. help is appreciated :)
amistre64
  • amistre64
what do we need to prove in order to define a limit as DNE?
amistre64
  • amistre64
in 2 dimensions its pretty simple, we have a left and a right approach ... not many ways to try out but in higher dimensions, the 'paths' to approach a point border on the infinite.

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amistre64
  • amistre64
show that there is at least 2 paths that lead to different results.
amistre64
  • amistre64
if y=x-1, what is our limit?
anonymous
  • anonymous
Ah okay my problem is that no matter what I substitute to try to show that there are two different limits, I keep getting 0... but I didn't think of trying x-1. I will try that right now.
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anonymous
  • anonymous
okay thank you! I think I got it.
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amistre64
  • amistre64
good job :)

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