Find the general solution of the reducible second-order differential equation 13y³. a) y = ∛((1/13)(C₁e (5x) + C₂e (-5x))) b) y = ∛((1/13)(C₁e (5x) + C₂e (-5x))) + C₃x c) y = ∛((1/13)(C₁e (-5x) + C₂e (5x))) d) y = ∛((1/13)(C₁e (-5x) + C₂e (5x))) + C₃x