BÀI 3. 2 3 2(COS 1) COS .I X X DX= Ị -0P PP PCOS . 1 (1 COS 2 ).• A =...
11. e e
−
2
ln 3
x
2x
3+ +=∫
− (A_13);I = 52ln 2−321 ln x 1I x1ln xdx∫
(A+A1_12);I = +23 ln 3−23ln 2 14.2
2
2
x dx−
2
ln 3
x
2x
3+ +=2
2
2
x dx