Question: (i) For r > 1 and xj à Ã, j = 1, ¦, n show that 1 and xj ( (, j class=fr-fic fr-dii> (ii)

(i) Forr> 1 andxjÃŽ Â, j = 1, €¦, n show that

η п

(ii) From part (i), deduce that

(i) For r > 1 and xj ( (, j

(On the other hand, by the Minkowski inequality),

(i) For r > 1 and xj ( (, j

" /. j=1 j=1 VI

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