x=√3+√2/√3-√2=(√3+√2)^2/(√3-√2)(√3+√2)=5+2√6y=(√3-√2)/(√3+√2)=(√3-√2)^2/(√3+√2)(√3-√2)=5-2√63x�0�5-5xy+3y�0�5=3(x-y)^2+xy=3(5+2√6-5+2√6)^2+(5+2√6)(5-2√6)=3*96+1=289
