log2(√1/48)+log2 12-1/2log2 (24)-1/3
问题描述:
log2(√1/48)+log2 12-1/2log2 (24)-1/3
答
log2(√1/48)+log2 12-1/2log2 (24)-1/3 =-1/2log2 48+log2 12-1/2log2 (24)-1/3 =-1/2(4+log2 3)+2+log2 3-1/2(3+log2 3)-1/3 =-2-1/2log2 3+2+log2 3-3/2-1/2log2 3-1/3 =-11/6