Let f(x) be a quadratic expression which...

Let `f(x)` be a quadratic expression which has `alpha` as a repeated zero and` f ''(0) = 6`.If` g(x) = x^2 + kx^2 + 5x` and `L= Lim_(x->alpha) (g(f(x))/(1-cos(x-alpha)))`then find the value of `(L/5)`

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