# Article

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Keywords:
difference equations; nonlinear; forced term; nonoscillation
Summary:
In this paper, necessary and sufficient conditions for the existence of nonoscillatory solutions of the forced nonlinear difference equation $\Delta (x_{n}-p_{n} x_{\tau (n)})+f(n,x_{\sigma (n)})=q_{n}$ are obtained. Examples are included to illustrate the results.
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