∫ + + (D_11);I =343 +10 LN53 6.2 3 2X2 1 2X X +05 42X DX∫ (ĐH_A_...

5.

+ + (D_11);I =343 +10 ln53 6.

2 3

2

x2 1 2x x +

0

5

4

2

x dx

(ĐH_A_04); 114ln 2