Question

Answer 1

a: =5*căn 10-10-5*căn 10

=-10

b: =căn 3+1+2-căn 3=3

c: =2+căn 3-căn 2

d: \(=\sqrt{9-\sqrt{5\sqrt{3}+5\sqrt{8+10\left(2-\sqrt{3}\right)}}}\)

\(=\sqrt{9-\sqrt{5\sqrt{3}+5\sqrt{28-10\sqrt{3}}}}\)

\(=\sqrt{9-\sqrt{5\sqrt{3}+5\left(5-\sqrt{3}\right)}}\)

\(=\sqrt{9-5}=2\)