is this correct??? Log(a+b) = Log a + Log b

T Tarvel New member Joined Jul 21, 2021 Messages 3 Jul 21, 2021 #1 is this correct??? Log(a+b) = Log a + Log b

pka Elite Member Joined Jan 29, 2005 Messages 11,229 Jul 21, 2021 #2 Tarvel said: is this correct??? Log(a+b) = Log a + Log b Click to expand... No it is not correct. Perhaps you are thinking of [imath]\log(a\cdot b)=\log(a)+\log(b)~?[/imath]

Tarvel said: is this correct??? Log(a+b) = Log a + Log b Click to expand... No it is not correct. Perhaps you are thinking of [imath]\log(a\cdot b)=\log(a)+\log(b)~?[/imath]

Harry_the_cat Elite Member Joined Mar 16, 2016 Messages 2,879 Jul 21, 2021 #3 Test it out. Does log(100+10) = log(100) + log(10)? OR Does log(100*10) = log(100) + log(10)?