2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/101017In the present paper combinatorial identities involving q-dual sequences or polynomials with coefficients q-dual sequences are derived. Further, combinatorial identities for q-binomial coefficients(Gaussian coefficients), q-Stirling numbers and q-Bernoulli numbers and polynomials are deduced.14 pagesCombinatorics05A30, 33D99text