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question answer key

I have a question on the answer key:

For the recurrence relation problem (#5), isn't the characteristic equation supposed to be r^2+2r+1=0 because of the negatives in the original recurrence relation?

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Yes, my bad.  This would change the answer to -n(-1)^n.

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Sections 6.4,8.1, 8.2,8.5, Due Thursday 12/5/2013
Also, I extended the due date for the webwork sections 8.2 and 8.5 to November 30.