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du<br />
(14) j.<br />
— are sec u + c<br />
u .\442 — 1<br />
4's (15) S senh u du = cosh u + c<br />
(16) J. cosh u du = senh u + c<br />
(17) S sech2 u du = tgh u + c<br />
(18) cosech2 u du = — cotgh u + c<br />
(19) sech u • tgh u du = — sech u + c<br />
At(20) f cosech u • cotgh u du = — cosech u + c<br />
(21)<br />
du<br />
J "\11 + u2<br />
(22) f du<br />
(23) du<br />
(24)<br />
— 1<br />
1 — u2<br />
du<br />
u —u2<br />
arg senh u + c = ln u + -5,/u2 + 1 + c<br />
— arg cosh u + c = ln I u + 'Vu2 — 1 +c<br />
1<br />
= — 2 ln<br />
arg tgh u + c , se lul < 1<br />
arg cotgh u + c , se lul > 1<br />
1 + u<br />
1 — u<br />
+ c<br />
— —arg sech lu I+ c<br />
(25) du<br />
— —arg cosech lu I + c .<br />
u + u2<br />
Introdução à integração 335