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Let inte^(x).x^(2)dx=f(x)e^(x)+C (where,...

Let `inte^(x).x^(2)dx=f(x)e^(x)+C` (where, C is the constant of integration). The range of f(x) as `x in R` is `[a, oo)`. The value of `(a)/(4)` is

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