Simplify `(2+sqrt(2))/(2-sqrt(2))`

4. . simplify (4+sqrt(2))(4-sqrt(2))

Rationales the denominator and simplify: (1+sqrt(2))/(3-2sqrt(2))( ii) (2sqrt(6)-sqrt(5))/(3sqrt(5)-2sqrt(6))

Simplify (3 + sqrt(3))(2+sqrt(2))^(2) .

Simplify sqrt((sqrt(2)+1)/(sqrt(2)-1))

Simplify (sqrt(7))/(sqrt(2))+(3)/(sqrt(3))

Simplify (sqrt(3)+2)(sqrt(3)-2)

Simplify (5+sqrt(2))(3+sqrt(5))

simplify (5+sqrt(7))(5+sqrt(2))

Simplify: (3sqrt(2)-2sqrt(2))/(3sqrt(2)+2sqrt(3))+(sqrt(12))/(sqrt(3)-sqrt(2)) (ii) (sqrt(5)+sqrt(3))/(sqrt(5)-sqrt(3))+(sqrt(5)-sqrt(3))/(sqrt(5)+sqrt(3))