\(\lim_{{x \to \frac{1}{\sqrt{2}}}} \frac{\sin(\cos^{-1}(x)) - x}{1 - \tan(\cos^{-1}(x))}\)is equal to :
Let\(β = \lim_{x →0} \frac{αx-(e^{3x}-1)}{αx(e^{3x}-1) }\)for some\( α \in R.\)Then the value of α+β is