Tunc, Cemil2025-05-102025-05-1020141932-9466https://hdl.handle.net/20.500.14720/3920This paper investigates the instability of the zero solution of a certain vector differential equation of the sixth order with delay. Using the Lyapunov-Krasovskii functional approach, we obtain a new result on the topic and give an example for the related illustrationseninfo:eu-repo/semantics/closedAccessVectorNonlinear Differential EquationSixth OrderLyapunov-Krasovskii FunctionalInstabilityDelayArticle