log2*(根号6-根号2)/4+log2*(根号2+根号6)/2的值为
问题描述:
log2*(根号6-根号2)/4+log2*(根号2+根号6)/2的值为
答
原式=log2[(√6-√2)(√6+√2)/8]
=log2[(6-2)/8]
=log2 (1/2)
=-1怎么又是你啊 他舅~谢了啊