Prashan_punk Posted May 6, 2009 Share Posted May 6, 2009 does (x+h)log(x+h) = xlog(x+h) + hlog(x+h) ? Link to comment Share on other sites More sharing options...
ajb Posted May 6, 2009 Share Posted May 6, 2009 Yes. log of a number is a number and then you can use the linear properties of multiplication. Am I missing something? Link to comment Share on other sites More sharing options...
BigMoosie Posted May 13, 2009 Share Posted May 13, 2009 This is true for any function, you could replace 'log' with 'sin' or 'exp' or anything else. See http://en.wikipedia.org/wiki/Distributivity Link to comment Share on other sites More sharing options...
jian Posted May 13, 2009 Share Posted May 13, 2009 That is not log rule, is basic rule like a(b+c)=ab+ac. it is true. Link to comment Share on other sites More sharing options...
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