In general, one doesn't expand out log(a + b) ; you just deal with it as is. That said, there are occasionally circumstances where it makes sense to use the ... ... <看更多>
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In general, one doesn't expand out log(a + b) ; you just deal with it as is. That said, there are occasionally circumstances where it makes sense to use the ... ... <看更多>
Hint: yours holds if and only if log(a)loga(b)=log(b). which in turn is true if and only if elog(a)loga(b)=elog(b). I hope you can take it from here, ... ... <看更多>