who know how to convert z/(z^2+9) to z/(z+3i)/(z-3i)?i really do not have any idea how the book convert it.
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Originally Posted by prescott2006 who know how to convert z/(z^2+9) to z/(z+3i)/(z-3i)?i really do not have any idea how the book convert it. If you don't see it, do it backwards and FOIL it out. Otherwise: -Dan
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