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Mathematics 9 Online
OpenStudy (kanwal32):

Number of positive soluion which satisfy this equation

OpenStudy (kanwal32):

\[\log_{2}x.\log_{4}x.\log_ {6}x=\log_{2}xlog_{4}x+\log_2{x}\log_{6}x+\log_{4}xlog_{6}x \]

OpenStudy (kanwal32):

@ganeshie8 @hartnn @ParthKohli @nincompoop hlp

hartnn (hartnn):

multiply throughout by log 2 log 4 log 6

hartnn (hartnn):

use this : \(\huge \log_ab = \dfrac{\log b}{\log a}\)

hartnn (hartnn):

then multiply throughout by log 2 log 4 log 6 and you will see (log x)^2 getting cancelled from both sides, and all that remains is log x = log 2+ log 4+log 6 = log (48)

hartnn (hartnn):

oh and since you are cancelling log x from both sides, log x cannot be 0 when log x is 0, x= 1 is another integer solution.

hartnn (hartnn):

in all, total 2

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