anonymous
  • anonymous
Find all numbers for which the rational expression is undefined r^3-7r/r^2-25 i got r= ±25
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
its is undefined when the bottom = 0 so set the bottom equal to zero and solve
anonymous
  • anonymous
oh so its ±5
anonymous
  • anonymous
yup good job

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anonymous
  • anonymous
lol one step ahead of myself thanks
anonymous
  • anonymous
np

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