LOS M^TODOS DE INTEGKACION 
141 
r , r X m + 1 x=t= n + 1 
/ x ± u d x = / x m dx = = t~ 
J J m -r 1 + n + 1 
2 f ifil- 
J J m+1 -f +1 
3 . J a x n dx=a| x n dx= 
a x n +! 
n + 1 
4 . J n xn-idx = 11 / xmdx=n.™- = x n . 
o. 
2 V 
= dx = -4-|x 2 ' = >/ x . 
ti, / (x=ba) + n dx = /(x±a)± n d(x±a; 
(x ± a)± n +! 
”±n + l 
7 . / (ax + b) n dx = — / (a x + b) n d (a x + b) 
(ax + b) n +! 
a (n + 1 ) 
8 . J (f x) n f 1 x dx - f (f x) n d (f x) = 
(f x) n +i 
n +1 
