新梦幻之城v1.13无cd:log2^x=log4^9
来源:百度文库 编辑:高校问答 时间:2024/05/15 04:12:23
log2^x=log4^9=log2^2 (3^2)=log2^3
所以x=3
log2^x=log4^9
log2^x=log2^2*9
2^x=2^2*9
x=2*9=18
log2^x=log4^9
=>xlog2=9log2^2
=>xlog2=18log2
=>x=18
as above
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来源:百度文库 编辑:高校问答 时间:2024/05/15 04:12:23
log2^x=log4^9=log2^2 (3^2)=log2^3
所以x=3
log2^x=log4^9
log2^x=log2^2*9
2^x=2^2*9
x=2*9=18
log2^x=log4^9
=>xlog2=9log2^2
=>xlog2=18log2
=>x=18
as above