LOtS M^TODOS DE ENTEGKACION 
77 
d x 
\/x 2 +a' 2 
dx 
z— X 
= d L z 
f dx 
J \/a 2 -j-x 2 
y = L (x+ J x 2 +a 2 ) 
(Todhunter, II, 9) 
Sea J a 2 -fx 2 mx + z.\ dx — Z dz 
2 z 2 
= — J — — = L (x+ J x 2 +a 2 ) 
(Laurent, III, 41) 
6 . 
f d x 
J s/x 2 =ta 2 
L (x -f %/x 2 zb a 2 
7. 
f— 
J s/2 a 
dx 
; — ■ x = a — z . • . — ; — = — 1 
ax— x 2 dz 
f d z 
~~~ ~ J x/a 2 ^ 2 ” 
arc cos 
a — x 
9. 
m a m x m 1 
_ _ d x = L ( a x ) in + ^ ( a X ) m 2 + b 2 n 
x/(ax) 2 m ±b 2n b n 
(Brahy, 19) 
dx 
sj A x 2 -(-B x-J-C 
Se representa el radical por 
z — x s/ A i se eleva al cuadrado: 
