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OpenStudy (anonymous):
needing help with proble, log2(x+1) +log2(x-1)=3
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OpenStudy (saifoo.khan):
\[\Large \log_2 [(x+1)(x-1)] = 3\]
OpenStudy (saifoo.khan):
\[\Large [(x+1)(x-1)] = 2^3\]
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