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Name: Gary
Date: December 04, 1999 (00:19)
Comment: To do the odd factorial part you write (2n+1)!/(2^n * n!) and then just arrange the n's to fit your sum.

Name: Alex
Date: December 03, 1999 (23:28)
Comment: Can someone share what they got for the final answer on the practice test for question number 1? I can't figure out how to right it out in sigma notation.

Name: Chad
Date: December 03, 1999 (22:19)
Comment: Is the wronskian the same for ALL solutions? If so, then you could find the general and its wronskian - then all other wronskians would be the same...

Name: Anonymous
Date: December 03, 1999 (21:32)
Comment: Abel's Thm??

Name: Sky
Date: December 03, 1999 (18:25)
Comment: Hey, anyone care to share how to find a Wronskian without knowing the solutions to the DE? This was a question on the practice final. Thanks.

Name: Doug
Date: December 03, 1999 (17:04)
Comment: Compare answers here