mouse0305
mouse0305
10-01-2017
Mathematics
contestada
true or false log(x+y)-logy=logx
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tayalexlab
tayalexlab
10-01-2017
False. That is not how properties of logs works. log(xy)=logx+logy, not log(x+y)=logx+logy.
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olemakpadu
olemakpadu
10-01-2017
log(x + y) - logx = logx
By laws of logarithm, logA - logB = log(A/B)
log(x + y) - logx = log((x +y)/x)
log((x +y)/x) is not equal to log x.
So the statement:
log(x + y) - logx = logx is
False.
Hope this helps.
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