Question

1. Solve x.
log 81/log 27= X
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Answer 1

Answer:

x=log(81)/log(27)

Note that:

81=3^4 and 27=3^3

Hence:

x=log(3^4)/log(3^3)

logb ( xn)=n.logb(x)

x=4log(3)/3log(3)

=4/3