Question

if
$x = 9 - 4 \sqrt{5}$
so then find this
$1.)x + \frac{1}{x}$
$2.)x - \frac{1}{x}$
​

Answer 1

Answer:

good question but I don't know

Step-by-step explanation:

sssbsd

Answer 2

here is your solution.

I hope it helps.