U-Sub
Evaluate ∫xcos(4x2)dx
⅛sin(4x2)+c
Evaluate ∫2x3e4xdx
(½)x3e4x-(3/8)x2e4x+(3/16)xe4x-(3/64)e4x+c
Evaluate ∫ (7/(x2-5x+6))dx
7ln(x-3)-7ln(x-2)+c
Evaluate ∫sin(t)sec^2(cos(t))
-tan(cos(t))+c
Evaluate ∫(x+1)/(½x2+x+2)dx
ln(½x2+x+2)+c
Evaluate -1∫4 (1/(x-2)) dx
Diverges