5. int (1-x^2)*ln(2x-1)dx=|u=ln(2x-1) dx/(2x-1)=du (1-x^2)dx=dv v=(1-x^2)^2/2|=((1-x^2)^2/2)*ln(2x-1)-1/2((1-x^2)^2/2+(1-x^2)+ln(2x-1))+C .... фуф)) Так?))