deletions | additions       diff --git a/bits3.tex b/bits3.tex  index 3a6c717..d5157f1 100644  --- a/bits3.tex  +++ b/bits3.tex 
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\begin{Exercise}  Compute as vector the product $(x^n+1)h(x)$ and $(x^+1)^n $(x+1)^n  h(x)$ and give your comments.  \end{Exercise}