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Problem 18 (A problem with problem 18). By checking the inequality for $ n=1 $ one finds that $ {}={} $ holds rather than $ {} >{} $.

In fact, the inequality holds for $ n=2 $. In your assignment, you can either replace ">" with "$ \ge $" or prove that the inequality $ > $ holds for $ n\ge 2 $.



Alumni Liaison

Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang