化简根式根号10-4根号3+2根号2

问题描述:

化简根式根号10-4根号3+2根号2

根号10-4根号3+2根号2
=根号(10-(4根号(3+2根号2)))
=根号(10-(4根号(根号2+1)^2))
=根号(10-4(根号2+1))
=根号(10-4根号2-4)
=根号(6-4根号2)
=根号(2-根号2)^2
=2-根号2