log2^x=log4^9
问题描述:
log2^x=log4^9
答
log2^x=log4^9=log2^2 (3^2)=log2^3
所以x=3
log2^x=log4^9
log2^x=log4^9=log2^2 (3^2)=log2^3
所以x=3