" 14.Simplify: "((sqrt(5)-1)/(sqrt(5)+1)+(sqrt(5)+1)/(sqrt(5)-1))

(sqrt(5)-1)/(sqrt(5)+1)+(sqrt(5)+1)/(sqrt(5)-1)=a+b sqrt(5)

Simplify (sqrt(2)-1+sqrt(6))/sqrt(5)

Simplify: (7+3sqrt(5))/(3+sqrt(5))-(7-3sqrt(5))/(3-sqrt(5)) (ii) (1)/(2+sqrt(3))+(2)/(sqrt(5)-sqrt(3))+(1)/(2-sqrt(5))

Simplify: (5+sqrt5)(5-sqrt5)

Simplify (1)/(sqrt(6)-sqrt(5))+sqrt(6)-sqrt(5)

Simplify the following (sqrt5-1)/(sqrt5+1)+sqrt5+1)/(sqrt5-1)

sqrt(5){(sqrt(5)+1)^(50)-(sqrt(5)-1)^(50)}

sqrt(5){(sqrt(5)+1)^(50)-(sqrt(5)-1)^(50)}

Simplify . (5+sqrt5)(5-sqrt3)

Simplify (1)/(3 - sqrt(8)) - (1)/(sqrt(8) - sqrt(7)) + (1)/(sqrt(7) - sqrt(6)) - (1)/(sqrt(6) - sqrt(5)) + (1)/(sqrt(5) - 2)