已知2^X=3,log4 8/3=y,求X+2Y的值
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∵y=log4(8/3)
∴y^4=8/3
2^(x+2y)=(2^x)(4)^y=3*(8/3)=8
∴x+2y=3
x=log(2,3)
y=log(4,8/3)=log(4,8)-log(4,3)
2y=log(4,64)-log(4,9)=3-log(2,3)
x+2y=3