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Problems in Mathematical Analysis.pdf - pwp.net.ipl.pt

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140 Def<strong>in</strong>ite Integrals [Ch. 5<br />

we f<strong>in</strong>d<br />

and, pass<strong>in</strong>g 'to the limit, we obta<strong>in</strong><br />

S = g'n(n-l)(2n-l)<br />

6H*<br />

S- lim Sn = lim<br />

n -* w n -* co 6n<br />

> (-D(2-l) = al ><br />

Evaluate the follow<strong>in</strong>g def<strong>in</strong>ite <strong>in</strong>tegrals, regard<strong>in</strong>g them as the<br />

limits of appropriate <strong>in</strong>tegral sums:<br />

b i<br />

1501. dx. 1503. x*dx.<br />

a -2<br />

T 10<br />

1502. J(0 t +g*)

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