Partial fractions of 1/(x3+1) will be of the form

• A. A/(x-- B/(x2-x + 1)
• B. A/(x+1) + B/(x2-x -1)
• C. A/(x+1) + bx + c/(x2-x + 1)
• D. Ax+B/(x-1) + C/(x2-x + 1)