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TITLE MARCH 2012 - Pakistan Academy of Sciences

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Inequalities for Differentiable Functions 15<br />

By solving (2.48), we have<br />

Pro<strong>of</strong>. From Lemma 2, we have<br />

(2.44)<br />

(2.49)<br />

Relations (2.46), (2.47), and (2.49) together imply<br />

(2.44).<br />

Corollary 16. From theorem 15, Let<br />

be differentiable function <strong>of</strong> , a, b, with a<br />

< b, and if the mapping is s-<br />

convex on for then<br />

(2.45)<br />

By applying H lder inequality on (2.45), we<br />

follow as<br />

Pro<strong>of</strong>. The pro<strong>of</strong> is similar to that <strong>of</strong> corollary 5.<br />

Theorem 17. Let<br />

be differentiable<br />

function on , a , b with a < b, and<br />

If the mapping is s-concave<br />

on for then<br />

Here<br />

And<br />

(2.46)<br />

(2.47)<br />

(2.50)<br />

Pro<strong>of</strong>. We proceed in a similar way as in theorem<br />

12.<br />

By<br />

, we obtain<br />

Since<br />

(2.48)<br />

(2.51)<br />

Now (2.50) immediately follows from theorem 1.

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