anonymous
  • anonymous
((x^2+2)/(x^2-1))/((x^2-4)/(x^2-4x-5)) and find the excluded domain
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
I would suggest doing the math on actual paper but I got (x^2 + 2)(x-5) / (x+4)(x+2)(x-1) after finding common denominators and simplifying. Tell me if you didn't get this part
anonymous
  • anonymous
The vertical asymptotes are clear now. Set each factor in the denominator to 0 and you see that x=1, x=-2 and x=-4 are discontinuities.
anonymous
  • anonymous
sorry, correction. x=1, x=2, x=-2 are vertical asymptotes. (x^2 + 2)(x-5) / (x-2)(x+2)(x-1) is the simplified function.

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anonymous
  • anonymous
and then identify holes from the non simplified original function.
anonymous
  • anonymous
@nonon I got that but its saying its wrong.
anonymous
  • anonymous
:;( ooh I'm sorry what does it say?

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