Suppose that xn > 0 and yn > 0 for all n N. Prove that if
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provided that none of these products is of the form 0 €¢ ˆž.
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lim sup(xnyn) x lim sup yn, -+00
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Case 1 x By hypothesis C lim sup n y n 0 Let M 0 and ch...View the full answer
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