Интегральное исчисление. Неопределенный интеграл - 31 стр.

UptoLike

Составители: 

R
Ã
x,
n
r
ax + b
cx + d
!
,
a, b, c, d ad bc 6= 0 n N
t =
n
r
ax + b
cx + d
t
n
=
ax + b
cx + d
, x =
dt
n
b
a ct
n
= R
1
(t), dx =
n(ad bc)t
n
(a ct
n
)
2
dt = R
2
(t)dt.
Z
R
Ã
x,
n
r
ax + b
cx + d
!
dx =
Z
R (R
1
(t), t) R
2
(t)dt =
Z
e
R(t) dt.
Z
3
q
5x+1
x3
+
q
5x+1
x3
4
q
5x+1
x3
+
3
q
5x+1
x3
dx.
a = 5 b = 1 c = 1 d = 3 n = 12 n
2, 3, 4 t =
12
q
5x+1
x3
x =
3t
12
+ 1
t
12
5
, dx =
192dt
(5 t
12
)
2
Z
3
q
5x+1
x3
+
q
5x+1
x3
4
q
5x+1
x3
+
3
q
5x+1
x3
dx = 192
Z
t
4
+ t
6
t
3
+ t
4
dt = 192
Z
t (1 + t
2
)
1 + t
dt.