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•<br />
(iv) ( 3 .•VX-2 + 1/3x) dx .<br />
Temos,<br />
f ( -‘172 +<br />
1/3x) j dx 3 x2 dx =I. + j 1/3x dx<br />
x4 + 3x 1/2 + 4<br />
( v )<br />
dx .<br />
?Cic<br />
Temos,<br />
J<br />
. x4 + 3x-<br />
f x2/3 dx + 1 dx<br />
3 x<br />
x5/31<br />
5/3 + — ln lx 1 + c<br />
3<br />
3 x5/3<br />
ln lx 1 + c<br />
5 3<br />
V<br />
x1/2 + 4<br />
( -1/2 x4<br />
4<br />
3 1— dx<br />
3<br />
dx<br />
• 1,,<br />
1r;<br />
(x111. + 3x-516 + 4x 9 dx<br />
x11/3 dx + 3 .1' x-5/6 dx + 4 j. x-1/3 dx<br />
x14/3 14/3<br />
Introdução à integração 337<br />
X 1/6 X2/3<br />
+ 3 • 1/6 + 4 • 2/3 + c<br />
= X1413 + 18x1/66X273 + c .<br />
14