log4(4是底数)1⼀2为什么等于-1⼀2

2025-04-07 05:42:43
推荐回答(2个)
回答1:

换底啊

回答2:

log4(4是底数)1/2
=log4(4)^(-1/2)
=-1/2log4(4)
=-1/2