2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51563In the present article we calculate the expectation values of of S$_{z}$ and S$^{2}$ operators for spin-1 and spin-3/2 particles by expanding a general wave function which includes all spin values. The results are same as in the stantard quantum mechanics.13 pages, no figures, submitted to Rev. Math. PhysHigh Energy Physics - Theorytext