Odpowiedź:
b) ... = [tex]\frac{1}{2} (-8x^3+6x^2-4)[/tex]
c) ... = [tex]\frac{1}{2}(18x^4-2x^2-10)[/tex]
d) ... = [tex]\frac{1}{2}(-3x^5-22x^3+14)[/tex]
