Question

If x=9-4√5 then find value of √x+1÷√x

Answer 1

Heya Buddy

x=9-4√5
Observe carefully ,

x=(√5-2)^2

We gotta find ,
√x+1/√x

---> (√5-2)+1/(√5-2)
---> √5-2+√5+2
---> 2√5 is your answer

Ask for any doubt .....