Any advice?

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- Apr 4th 2008, 08:27 AMBACONATORProof
Any advice?

- Apr 4th 2008, 02:24 PMCaptainBlack
- Apr 5th 2008, 09:12 PMroy_zhang
First represents the set of functions such that there exists positive constants and such that . So in order to show that , we need to find out positive constants and such that

Dividing from each parts gives us

Consider the function , given that , by differentiation we can find the minimum value of function to be , also realize that . Hence we can pick and , we have

this shows that .

Roy