of Integration
.
.
Average value
= +) de
Exercise 55 56 ,
&
S usings
8 -
=
x =
-
(x 8x)-
=
(x2
-
-
8x + 16) + 16
=
-
(x -
4)2 + 16
:-
,-Ju migu
4
du =
d
du =
4 da
b S
: =
=
Si'(u) + a
-
substituting
use)1 +
①
In It ,
usingu
fan t
Sus du
=
:
entit
, ②
&Lanen() dr ,
using u
du
= 3
= de
& u· ju]
du =
de
& ftun(u) duen(seuj
c]
+
-c) en/sea (3enx)1 +
②
&y =
1 - (x -
2) y
= 1 x
-
2y = 3
y =
n -
6
F