Inequality with the mean value theorem

icystrike
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Homework Statement


attachment.php?attachmentid=33229&stc=1&d=1300472877.png



Homework Equations





The Attempt at a Solution

 

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Help Please :)
I wonder if i got the right solution
 


No, your last inequality is backwards (using 2).
 


LCKurtz said:
No, your last inequality is backwards (using 2).

What do u think i should do?
 


Help please :0
 


I cannot see you first attachment so I have no idea what you did and cannot say what you did wrong.
 


HallsofIvy said:
I cannot see you first attachment so I have no idea what you did and cannot say what you did wrong.

attachment.php?attachmentid=33264&stc=1&d=1300548891.jpg


My attempt is wrong.. Please help me thanks :)
 

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