Question

Rút gọn các biểu thức sau:

D = \(\sqrt{9+4\sqrt{2}}-3\)

E = \(\sqrt{4+2\sqrt{3}}-\sqrt{13+4\sqrt{3}}\)

F = \(\sqrt{7-4\sqrt{3}}+\sqrt{4-2\sqrt{3}}\)

Answer 1

a: \(=2\sqrt{2}+1-3=2\sqrt{2}-2\)

b: \(=\sqrt{3}+1-2\sqrt{3}-1=-\sqrt{3}\)

c: \(=2-\sqrt{3}+\sqrt{3}-1=1\)