Evaluate `int(x^(4)-2x^(3)+x^(2))dx`

Evaluate: int(x/(x^(4)+2x^(2)+2))dx

Evaluate int(x^(3))/(x^(4)-x^(2)-2)dx

Evaluate int(-4x)/((1-2x^(2))^(2))dx

Evaluate: int(x)/(x^(4)+2x^(2)+3)dx

Evaluate int (3x^2+4x^3)dx

Evaluate: int(1)/(x^(4)+3x^(2)+1)dx

Evaluate: int(x^(2)/(x^(4)+3x^(2)+9))dx =Atan^(-1)((x^2-3)/(3x))+B/sqrt(3)"ln"|(x^(2)-sqrt(3)x+3)/(x^(2)+sqrt(3)x+3)|+c , Then find the value of 12(A+B) .

Evaluate: int(4x^(4)+3)/((x^(2)+2)(x^(2)+3)(x^(2)+4))dx

Evaluate int(x^(4)-3x^(2)-3x-2)/(x^(3)-x^(2)-x)dx

" (a) Evaluate : "int((4x-3)^(3))/(x^(2))dx