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5. Consider the functional Jlſ(t), Þ(t)] = (Hğ,p,t) - à p) dt of the 2n independent functions qı(t),...,qn(t), pi(t),..., p

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- labelling each of the possible keaths in configur- ation space with a barameter & the s- variation a can be enfressed as -. e dei venisher at limits to and this as all kathe have the came termined. Therefore, egreation @ becomes . et=0 Petting daspy ) dtzo. - Elstilijon) - 663/640) - Since p; and fi are independent variate the - variation sp; and Sai will also be indep

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