11-6√2=9+2-6√2=9-6√2+2=(3-√2)^2
则有:√11-6√2=√=(3-√2)^2=3-√2
则有:a+b=3-√2
则a=1,b=2-√2
则有:a+b+2/b=(3-√2)+2/(2-√2)=3-√2+2+√2=5
所以有:a+b+2/b=5
11-6√2=9+2-6√2=9-6√2+2=(3-√2)^2
则有:√11-6√2=√=(3-√2)^2=3-√2
则有:a+b=3-√2
则a=1,b=2-√2
则有:a+b+2/b=(3-√2)+2/(2-√2)=3-√2+2+√2=5
所以有:a+b+2/b=5