X为实数,(x平方)减去(根号6)x加(1)等于(0),
问题描述：
X为实数,(x平方)减去(根号6)x加(1)等于(0),
答
x^2-(根号6)x+1=0
x^2-(根号6)x+3/2+1=3/2
[x-(根号6)/2]^2=1/2
x-(根号6)/2=1/2或-1/2
x=[(根号6)+1]/2或[(根号6)+1]/2