Question

if x=9+4√5 then √x-1/x​

Answer 1

answer.17.94427191.

Explanation:

x=9-4√5, then what is x+1/x? Given: x = 9 - 4(sqrt 5). So, x = . 05572809 1/x = 17.94427191.

Answer 2

Answer:

-6

Explanation:

√9+4√5-1/9+4√5

=10.9442719/17.9442719