log0.9(底数)0.5(真数)怎么转换成log2和log3啊
问题描述:
log0.9(底数)0.5(真数)怎么转换成log2和log3啊
答
log0.9(底数)0.5(真数)
=lg0.5/lg0.9=-lg2/[(2lg3)-1]