If α and β are two distinct real roots of ax³ + x - 1 - a = 0, (a ≠ - 1, 0), none of which is equal to unity, such that \(\displaystyle \lim_{x\to\frac{1}{a}}\frac{(1+\alpha)x^3-x^2-a}{(e^{1-\alpha x}-1)(x-1)}\) is \(\frac{aI(k\alpha-\beta)}{\alpha}\) . Then the value of k + I if I = 1