log[(根号2)/2] 4 = 应该看得懂吧?[(根号2)/2] 是底数,4是真数

问题描述:

log[(根号2)/2] 4 = 应该看得懂吧?[(根号2)/2] 是底数,4是真数

-4
log(2^-1/2)2^2
=2/(-1/2)*1
=-4