✨ Best Answer ✨
左のlogは、
³√18＝(18)^1/3
＝(3²×2)^1/3 から、
log₂³√18＝1/3・log₂(3²×2)
＝1/3・(log₂3²+log₂2)
＝1/3・(log₂3²+1)
＝1/3・log₂3²+1/3
＝2/3・log₂3+1/3
よって、
2/3・log₂3+1/3-2/3・log₂3
＝1/3
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