Question

if x= 9+4√5 , find the value of √x-1/√x​

Answer 1

Step-by-step explanation:

x= 9+4√5

square root both sides

√x = √(9+4√5)

√x = √ 5+4 +2(2)(√5)

√x = √(√5+2)^2

√x = √5 + 2

then ... 1 = 1

√x √5+2

1 X. √5-2

√5+2. √5-2

==. √5 - 2 / 5-4

==. √5-2 / 1

>>>>. √5 -2

hope it's◉‿◉ helpful