The reduced equation for x² y prime prime - 4x y' + 6y = 4x ³ has solutions of the form y = x ʳ The general solution of the given equation is: (a) y = C₁ x ² + C₂ x ³ - 2/3 x ⁵ (b) y = C₁ x ² + C₂ x ³ + 4x ³ ln(x) (c) y = C₁ x ² + C₂ x ³ + 2/2 x ⁵ (d) y = C₁ x ² + C₂ x ³ + 2/3 x ⁴ (e) None of the above.