If `a=5sqrt2 and 2a=sqrt(2x)`, what is the value of x ?

sqrt(5)=x-2, what is the value of (x-2)^(3) ?

If (sqrt(x))/(2)=2sqrt(2) , what is the value of x?

If sqrt(5)=x-2 , what is the value of (x-2)^(2) ?

If x = (4 sqrt(ab))/(sqrt a + sqrt b) , then what is the value of (x + 2sqrt a)/(x - 2 sqrta) + (x + 2 sqrtb)/(x - 2 sqrt b) " (when " a ne b) ?

If x=3sqrt(5)+2sqrt(2) and y=3sqrt(5)-2sqrt(2) , then the value of (x^(2)-y^(2))^(2) is