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A very unusual crystal has an interatomic potential given by U = cx2 + gx*. The thermal expansion (x) at temperature T %3D in

A very unusual crystal has an interatomic potential given by U = cx2 + gx*. The thermal expansion (x) at temperature T %3D in terms of c and d is: A. (x) = knT 3g %3D B. (x) = ka 4c2 D. (x) = kaT C. zero %3D

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