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
答
-4
log(2^-1/2)2^2
=2/(-1/2)*1
=-4