四的x次方=6的y次方=144的z次方则xyz3者关系是什么
设4^x=6^y=144^z=a,
所以x=log(4,a),y=log(6,a),z=log(144,a),
所以1/x=log(a,4),1/y=log(a,6),1/z=log(a,144),
因为144=4×6×6,
所以log(a,144)=log(a,4)+log(a,6)+log(a,6),
所以1/z=1/x+1/y+1/y=1/x+2/y
所以x=log(4,a),y=log(6,a),z=log(144,a),
所以1/x=log(a,4),1/y=log(a,6),1/z=log(a,144),
因为144=4×6×6,
所以log(a,144)=log(a,4)+log(a,6)+log(a,6),
所以1/z=1/x+1/y+1/y=1/x+2/y
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