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Question

Logarithm question

Simplify 1/ log​​​​xy(xyz)+ 1/log​​​​yz(xyz)+1/ log​​​​zx(xyz)

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Solution

Formula

log m to the base n =logm/logn.

= 1/(logxyz/log xy) + 1/(log xyz/log yz) + 1/(log xyz/log zx).

=log xy/log xyz +log yz/log xyz +log zx/log xyz.

=(1/log xyz). (logxy+logyz+log zx).

=(1/log xyz).(logxy.yz.zx).

=log(xyz)^2/logxyz.

= 2.logx.y.z/logx.y.z

= 2 , Answer.


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