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Funny maths test answer

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Old Nov 19, 2006 | 04:26 PM
  #11  
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i thought so!!

i better get extra credit.
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Old Nov 19, 2006 | 10:52 PM
  #12  
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Originally Posted by oOweEe,Nov 19 2006, 04:00 AM
wait a minute... shouldnt the last problem be limit of x from the POSITIVE side? because its only infinite if u take the limit from x positive (left). Its negative infinite if u take x from the negative side (right)

... or am i retarded? its been awhile.
it doesn't matter which direction X approach 8 from. In this problem, negative infinity = positive infinity. I don't remember the proof anymore. go ask a math major.
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Old Nov 20, 2006 | 12:37 AM
  #13  
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s2020, r u sure about that... i have never heard of a situation where negative infinite = positive infinity...

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Old Nov 20, 2006 | 06:40 AM
  #14  
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