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- Dec 15th 2006, 04:22 PM #1

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## please help me. I have big problem

Dear brother,sister,teacher,MS,Msr,Doctor...

help me

prove that (au-)-+cu=0 is non oscillatory, if either H1(x)<or=0 or H2(x)<or=0 for large x.

eq. (au-)-+cu=0 is oscillatory if either or ????

2-Show that the diff.eq . is non oscillatory

- Dec 16th 2006, 05:12 AM #2

- Dec 16th 2006, 08:12 AM #3

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