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If alpha,beta are two distinct real roo...

If `alpha,beta ` are two distinct real roots of the equation `a x ^3 + x-1-a=0(a !=-1,0),` none of which is equal to unity. If the value of `lim_(xrarr1/alpha)((1+a)x^3-x^2-a)/((e^(1-alpha x)-1)(x-1))`is `(al(k alpha-beta))/alpha` the value of `k+l`

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