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OpenStudy (anonymous):
Help please!!! find the partial fraction decomposition for 1/ x^2-1. Please explain...
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OpenStudy (anonymous):
(a+b)(a-b) = (a^2-b^2) is a hint
OpenStudy (anonymous):
so would it be like ( 1x^2+-1)(1-1) ???
OpenStudy (anonymous):
I think the next step is 1/(x+1)((x-1), but I do not know whether you must then work this out so that the numerator is not 1. Long time since I've seen partial fractions.
OpenStudy (anonymous):
oh ok... thanks anyways! :)
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