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log6 18=log6 3*6=log6 3+log6 6=1+log6 3
(log6 3)^2+log6 18 x log6 2
=(log6 3)^2+log6 3 x log6 2 +log6 2
=log6 3x( log6 2+log6 3)+log6 2
=log6 3+log6 2
=1
(log6 3)^2+log6 18 x log6 2
=(log6 3)^2+log6 3 x log6 2 +log6 2
=log6 3x( log6 2+log6 3)+log6 2
=log6 3+log6 2
=1
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