2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/110606We consider a free particle,V(r)=0, with position-dependent mass m(r)=1/(1+zeta^2*r^2)^2 in the d-dimensional schrodinger equation. The effective potential turns out to be a generalized Poschl-Teller potential that admits exact solution.6 pages, no figures, to appear in Phys. Lett. AQuantum Physicstext