CÂU 41. +XÉT H =0ĐẶT T= SINX⇒DT = COSXDX.Z ΠZ 1Z 12(5−T)DT= 9F(T)DT =F...
2.
0
Z1
+Xét K =f(3−2x)dx.Đặt u= 3−2x⇒du=−2dx.Z3
Khi đó K =f(3−2x)dx= 1du= 22u2
+ 3f(u)du= 10
Z1
+Xét K =f(3−2x)dx.Đặt u= 3−2x⇒du=−2dx.Z3
Khi đó K =f(3−2x)dx= 1du= 22u2
+ 3f(u)du= 1