已知ab=M(a>0,b>0,M不等于1),且log(M)(b)=x,ze log(M)(a)等于_____
问题描述:
已知ab=M(a>0,b>0,M不等于1),且log(M)(b)=x,ze log(M)(a)等于_____
答
log(M) ab = log (M) M =1
并且,log(M) ab = log(M)a + log(M)b = log(M)a + x
所以 log(M)(a) = 1 - x