化简[(log1/2 1/3)^(-1)]+[(log1/2 1/5)^(-1)]
问题描述:
化简[(log1/2 1/3)^(-1)]+[(log1/2 1/5)^(-1)]
答
[(log1/2 1/3)^(-1)]+[(log1/2 1/5)^(-1)]
=-1*log1/2[1/3]-1*log1/2[1/5]
=-1*log1/2[1/3*1/5]
=-log1/2(1/15)