(adsbygoogle = window.adsbygoogle || []).push({}); Proof of Definite Integral??

Riemann Sum helps us to find the are under a curve.But I couldn't understand connection between Riemann Sum and Definite Integral.I mean;

[itex]\int^{b}_{a}f(x).dx=F(b)-F(a)[/itex] How can I prove F(b)-F(a) in definite integral??

Thanks..

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# Proof of Definite Integral?

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