333 BÀI TOÁN TÍCH PHÂN LUYỆN THI ĐẠI HỌC 1/ Cho hàm số : f(x)= x.sinx+x
2
. Tìm nguyên hàm của hàm số g(x)= x.cosx
biết rằng nguyên hàm này triệt tiêu khi x=k
2/Định m để hàm số: F(x) = mx
3
+(3m+2)x
2
-4x+3 là một nguyên hàm của hàm số:
f(x) = 3x
2
+10x-4.
3/Tìm họ nguyên hàm của hàm số: f(x)= cos
3
x.sin8x.
TÍNH :
4/I =
3
2
4
3tg xdx
2
xdx
8/I =
3
0
(2cos
2
x-3sin
2
x)dx
9 / I =
2
2
sin( x)
4
dx
sin( x)
4
10 / I =
3
sin x sinx
cotgxdx
sin x
14/I =
2
4
0
sin xdx
15/I =
3
4
22
2
cos
2
sin
1
xx
tgx
. 34/I =
1
22
3
1
dx
x 4 x
19/ I =
2
4
4
sin
1
x
dx
20/ I =
4
1 cosx
24/ I =
1
32
0
x 1 x dx
25/I =
1
52
0
x 1 x dx
26/I =
1
0
x
dx
2x 1
27/I =
1
x
x
0
e
dx
e1
31/I =
e
2
1
lnx
dx
x(ln x 1)
32/I =
7
3
3
0
x1
dx
3x 1
2
22
1
x 4 x dx
38/I =
2
23
0
x (x 4) dx
39/I =
2
4
43
3
x4
dx
x
40*/I =
2
2
2
44*/I =
3
0
1
dx
cosx
45/I =
2x
1
x
0
e
dx
e1
46/I =
ln3
x
0
1
e
1
sin(ln x)
dx
x
50/I =
1
3 4 5
0
x (x 1) dx
51/I =
1
23
0
(1 2x)(1 3x 3x ) dx
52/I =
2
3
1
1
dx
x 1 x
0
e
dx
(e 1)
57/I =
0
2x
3
1
x(e x 1)dx
58/I =
2
6
35
0
1 cos x sin x.cos xdx
59*/I =
23
2
5
.lnxdx
x
63/I =
2
1
0
x
dx
(x 1) x 1
64/I =
2
0
sin x.sin2x.sin3xdx
65/I =
2
44
0
cos2x(sin x cos x)dx
69/I =
9
3
1
x. 1 xdx
70/I =
2
3
0
x1
dx
3x 2
71*/I =
6
0
x
sin dx
2
72*/I =
2
76/I =
e
1
cos(ln x)dx
77*/I =
2
2
0
4 x dx
78/I =
2
1
x
dx
1 x 1
.
79/I =
83/I =
2
e
1
lnx
dx
lnx
84/I =
2
2
1
xln(x 1)dx
85/I =
3
2
3
1
dx
x3
86/I =
1
2
90*/I =
2
2
0
ln( 1 x x)dx
91*/I =
3
2
2
1
dx
x1
92/I =
3
8
1
x1
dx
x
93/I =
3
3
96/I =
3
2
4
x 4 dx
97/I =
2
32
1
x 2x x 2 dx
98/I =
3
4
4
cos2x 1dx
103/I =
1
3
2
1
ln(x x 1) dx
104*/I =
2
0
xsin x
dx
1 cos x
105*/I =
1
2x
1
1
dx
109/I =
6
2
0
x.sin xcos xdx
110*/I =
2x
1
2
0
xe
dx
(x 2)
111/I =
2x 2
0
e sin xdx
115/I =
2
t
1
ln x
dx I 2
x
116/I =
3
0
sin x.ln(cosx)dx
117/I =
2
e
2
1
cos (lnx)dx
2
sin x 3
0
e .sin xcos xdx
122/I =
2
4
0
sin2x
dx
1 cos x
123/I =
1
2
0
3
dx
x 4x 5
124/I =
2
2
1
1
dx
x (x 1)
128*/I =
0
2
2
sin2x
dx
(2 sin x)
129/I =
1
2
0
x3
dx
(x 1)(x 3x 2)
130/I =
3
3
6
4sin x
dx
1 cosx
134/I =
3
2
6
1
dx
cosx.sin x
135/I =
3
0
sin x.tgxdx
136/I =
139/I =
2
2
cosx 1
dx
cosx 2
140/I =
2
0
1 sin x
dx
1 3cosx
144/I =
3
3
0
sin x
dx
cosx
145/I =
1
0
x 1 xdx
146/I =
6
4
x 4 1
. dx
x 2 x 2
147/I =
0
2
1
dx
x 4x 13
151/I =
1
x
0
1
dx
3e
152/I =
1
4x 2x
2
2x
0
3e e
dx
1e
153/I =
1
0
3
dx
x 9 x
157/I =
0
xsinxdx
158/I =
22
0
x cos xdx
159/I =
1
0
cos x dx
160/I =
1
0
sin x dx
165/I =
4
x
1
e dx
166/I =
4
3x
0
e sin4xdx
167/I =
2x 2
0
e sin xdx
168/I =
2x
1
2
0
173/I =
2
e
2
e
11
( )dx
ln x
ln x
174/I =
2
2
1
(x x)ln xdx
175/I =
2
2
1
1
x ln(1 )dx
x
179/I =
2
3
cosx.ln(1 cosx)dx
180/
2
2
sin x 3
0
e sinxcos xdx
181/I=
2
4
0
sin2x
dx
1 sin x
185/I =
4
2
1
1
dx
x (x 1)
186/I =
1
2
0
ln(1 x)
dx
x1
187/I
4
1
6
0
1x
dx
191/I =
2
sin x
0
(e cosx)cosxdx
192/I =
2
0
sin2x.cosx
dx
1 cosx
193/I =
2
0
sin2x sin x
dx
1 3cosx
dx
cosx 1 cos x
197/I =
2
2
1
x1
( ) dx
x2
198/I =
4
2
0
x.tg xdx
199/I =
5
3
x
203/I =
2
0
sin2x
dx
1 cosx
204/I =
2008
2
2008 2008
0
sin x
dx
sin x cos x
205/I =
2
0
sin x.ln(1 cosx)dx
cos x.cos4xdx
209/I =
1
2x x
0
1
dx
ee
210/I =
e
2
1
e
lnx
dx
(x 1)
211/I =
1
0
1
dx
x 1 x
215/I =
2
0
sin3x
dx
cosx 1
216/I =
2
2
2
2
0
x
dx
1x
217/I =
2
2
4
1
1x
dx
1x
0
x 1 x dx
221/I =
1
2
0
x 1dx
222/I =
2
33
0
(cos x sin x)dx
223/I =
2
3
0
x1
dx
x1
.
227/I =
2
6
1 sin 2x cos2x
dx
cosx sin x
228/I =
x2
1
2x
0
(1 e )
dx
1e
229/I =
3
23
0
xsin x.cos xdx
233/I =
2
0
cosx
dx
cos2x 7
234/I =
4
2
1
1
dx
x (x 1)
235/I =
2
23
0
sin2x(1 sin x) dx
2
3
2
cosx cosx cos xdx
240*/I =
1
2
1
ln( x a x)dx
241/I =
2
x
0
1 sinx
dx
(1 cosx)e
x
dx
1x
245/I =
2
3
2
2
0
x
dx
1x
246/I =
2
1
2
2
2
1x
dx
x
247/I =
2
1 sin x
251/I =
2
0
cosx
dx
7 cos2x
252/I =
4
2
1
1
dx
(1 x)x
253/I =
2
3
0
x1
dx
256/I =
3
4
4
tg xdx
257*/I =
2
x
0
1 sin x
e dx
1 cosx
258/I =
1
23
0
(1 x ) dx
5
1
1x
dx
x(1 x )
263/I =
3
2
0
cosx
dx
1 sin x
264/I =
2
3
6
0
sin x
dx
cos x
.
267/I =
2
2
0
sin x
dx
cos x 3
268/I =
2
0
sin x
dx
x
269/I =
2
2
0
sin xcosx(1 cosx) dx
2
0
sin xcosx cosx
dx
sin x 2
273/I =
1
1
x
3
a
e
dx
x
274/I =
32
1
2
0
x 2x 10x 1
dx
x 2x 9
278/I =
1
3
0
x
dx
(2x 1)
279/I =
7
2
1
dx
2 x 1
280/I =
3
2
2
1
2
1
dx
x 1 x
284/I =
3
2
2
1
3x
dx
x 2x 1
285/I =
1
32
0
4x 1
dx
x 2x x 2
286/I =
1
2
2
1
2
1
dx
(3 2x) 5 12x 4x
290/I =
2
33
0
(cos x sin x)dx
291/I =
2
54
0
cos xsin xdx
292/I =
2
44
0
cos2x(sin x cos x)dx
296/I =
3
7
3
2
0
x
dx
1x
297*/I =
2
3
1
1
dx
x 1 x
298/I =
3
1
2
0
x
dx
x 1 x
cosx 1
302/I =
2
0
cosx
dx
2 cosx
303/I =
2
0
sin x
dx
sin x 2
304/I =
3
2
0
cos x
4
3
0
tg x dx
.
308*/I =
1
2x
1
1
dx
3e
309*/I =
2
x
sin x
dx
31
1 ln (cosx)
313*/I =
2
0
sin x
dx
cosx sin x
314*/I =
1
x2
1
1
dx
(e 1)(x 1)
315*/I =
1
3x 1
0
0
te
dt 1
(t 2)
319*/I =
3
2
4
tan x
dx
cosx cos x 1
320*/I =
1
2
0
3x 6x 1dx
321*/I =
4
325/I =
5
2
0
sin x
dx
cosx 1
326/I =
3
2
6
cos2x
dx
1 cos 2x
327*/I =
4
2
330/I =
x
ln3
xx
0
e
dx
(e 1) e 1
331/I =
1
4
e
2
1
e
1
dx
xcos (ln x 1)
333*/I =
4
0
ln(1 tgx)dx