M.M.A. El-Sheikh
Department of Mathematics,
Faculty of Science,
Taibah University,
Madina, Saudi Arabia.
Department of Mathematics,
Faculty of Science,
Menofia University,
Shebeen El-koom, Egypt.
R. A. Sallam
Department of Mathematics,
Faculty of Science,
Menofia University,
Shebeen El-koom, Egypt.
D. I. Elimy
Department of Mathematics,
Faculty of Science,
Menofia University,
Shebeen El-koom, Egypt.
In this paper the distribution of zeros of solutions of the first order neutral differential equation is discussed. New criteria are deduced . Illustrative example is given.