Analysis Help

  • Thread starter shegiggles
  • Start date
  • #1
I really need help on this. Completely lost. Please help me.
Let f: [a,b] -> R. Given f is integrable and bounded below, show 1/f is integrable.
 

Answers and Replies

  • #2
StatusX
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It's not true. What about f(x)=x on [0,1]?
 
  • #3
arildno
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Well, perhaps he meant that 0<|f|<k, on [0,1] for some constant k?
 
  • #4
matt grime
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Erm, arildno, you should reread that. (k=1...).
 
  • #5
Erm, arildno, you should reread that. (k=1...).
can you please help me with this problem?
Thanks
 
  • #6
matt grime
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We can't because we have shown the question to be false.
 
  • #7
HallsofIvy
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It would help if you would state exactly what the problem is. It cannot be what you originally wrote!
 

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