计算1/1+根号2+1/根号2+根号3+1/根号3+2+……+1/3+根号10
问题描述:
计算1/1+根号2+1/根号2+根号3+1/根号3+2+……+1/3+根号10
答
1/(1+√2)+1/(√2+√3)+1/(√3+2)+……+1/(3+√10)
=(√2-1)+(√3-√2)+(2-√3)+……+(√10-3)(分母有理化)
=√10-1