/ 41X E X X DX(CĐ ĐN05) (CĐSP QN05) 64. 1 2 3 X X X00 (SIN...
63.
/ 4
1x ex
x dx(CĐ ĐN05) (CĐSP QN05)
64.1
2
3
x x x0
0
(sin cos )cos2
1
x xxx
66. dx5
e2
dx/ 4
1x ex
x dx(CĐ ĐN05) (CĐSP QN05)1
2
3
0
0
(sin cos )cos2
1
x xxx
66. dx5
e2
dx