33.不用计算器,证明:[log6]^2=/=log3*log12

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33.不用计算器,证明:[log6]^2=/=log3*log1233.不用计算器,证明:[log6]^2=/=log3*log1233.不用计算器,证明:[log6]^2=/=log3*log12[

33.不用计算器,证明:[log6]^2=/=log3*log12
33.不用计算器,证明:[log6]^2=/=log3*log12

33.不用计算器,证明:[log6]^2=/=log3*log12
[log6]^2=(log3+log3)^2
=[log2]^2+[log3]^2+log9*log36
log3*log12=[log3]^2+log4=[log3]^2+2
[log2]^2=1,log9*log36 >1
所以不等