Question

if x = 9+4√5
find √x-1/√x​

Answer 1

Answer:

12/13 is the answer

I HOPE it helps you

Answer 2

Step-by-step explanation:

Given,

x=9+45

=>x1=9+451×9−459−45

=>x1=9−45

Let y=x−x1

Squaring both sides,

y2=x+x1−2

=>y2=9+45+9−45−2

y=+4,−4