The wavefinction of aparticle is giveuby W = o +ig ,where Po and o, are the normalized eigenfnction with energies E, and E, corresponding to the ground state and first excited state, respectively. The expectation value ofthe Hamiltonian in the state y is: Eo - E, Eo - 2E, E, +2E, (d) Eo + E (a) (b) 2 3 3
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