Let f R a, g for all a Show that f R a, if and only if for every 0 there exists K() a such that if q p K(), then qp f

Question: Let f R[a, g] for all > a. Show that f R[a, ] if and only if for every > 0

Let f ∈ R*[a, g] for all γ > a. Show that f ∈ R*[a, ∞] if and only if for every ε > 0 there exists K(ε) > a such that if q > p > K(ε), then |∫qp f| < ε.

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