已知log2（log8^m)=log8(log2^m),求log2^m的平方

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/25 15:19:17

log2（log8^m)=log8(log2^m),
log2（1/3log2^m)=log8(log2^m)=1/3log2(log2^m)
1/3log2^m=(log2^m)^1/3
[1/27(log2^m)^2-1][log2^m]=0
(log2^m)^2=27或0

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