solve `sqrt((4+sqrt7)/(4-sqrt7))`

Find the square root of 7 correct to two decimal places, then use it to find the value of sqrt((4 + sqrt(7))/(4 - sqrt(7))) correct to three significant digits.

(3-sqrt7)(3+sqrt7)=?

If a = sqrt((7+4sqrt3)/(7-4sqrt3)) then the value of [a(a-14)]^2 is

Solve : (4-sqrt(5))/(4+sqrt(5))+ (2)/(5+sqrt(3))+(4+sqrt(5))/(4-sqrt(5))

Prove that (1)/(sqrt(7))=(1)/(sqrt(7))times(sqrt(7))/(sqrt(7))

Find: (sqrt7 +sqrt3)(3-sqrt3)

State in each case whether true or false: 3sqrt(7)-2sqrt(7)= sqrt(7)

Solve sqrt(x+3-4sqrt(x-1))+sqrt(x+8-6sqrt(x-1))=1

Solve sqrt(x+3-4sqrt(x-1))+sqrt(x+8-6sqrt(x-1))=1

Solve sqrt(x+3-4sqrt(x-1))+sqrt(x+8-6sqrt(x-1))=1