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Oscillation of Second Order Nonlinear Differential Equations

S.M. Nababan


In this paper we consider the following second order nonlinear differential equations:
u" + f(t,u) = 0, t≥0
Oscillation criteria for the above equation will be established by modification of the method that has been used previously. The results obtained will contain and improve the previous results. Some conditions imposed in the theorem will be less weaker than used before.


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