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Unformatted text preview: ~ r and ~ p are r 2 , p 2 and ~ r ~ p . Why not ~ L ~ r , ~ L ~ p , or L 2 ? (b) Show that [ ~ L, f ( r 2 , p 2 , ~ r ~ p )] = 0 where f is an arbitrary function of its three arguments. 3. Libo, problem 9.14, p. 381. 4. Libo, problem 9.23, p. 385. 5. Libo, problem 9.26, p. 385....
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 Spring '09
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