log3(4)×log4(3)×log3(m)=log4(16)
问题描述:
log3(4)×log4(3)×log3(m)=log4(16)
过程~~~~谢谢了
答
log3(4)×log4(3)×log3(m)=log4(16)
log3(4)×[1/log3(4)]×log3(m)=log4(16)
log3(m)=log4(16)=log4 4^2=2
m=3^2=9