Thanh Hai Dang
New member
- Joined
- Apr 28, 2020
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- 6
Let f(x) is a convex function on [a,b]. Prove [MATH]∀c ∈(a,b)[/MATH]:
[MATH]\frac{f(c) - f(a))}{c-a}\leq \frac{f(b) - f(a))}{b-a}\leq \frac{f(b) - f(c))}{b-c} [/MATH]p/s: Sorry cause by my bad English!
Please contact me via email: thanhhai.dang2509@gmail.com.
[MATH]\frac{f(c) - f(a))}{c-a}\leq \frac{f(b) - f(a))}{b-a}\leq \frac{f(b) - f(c))}{b-c} [/MATH]p/s: Sorry cause by my bad English!
Please contact me via email: thanhhai.dang2509@gmail.com.