Question

please solve with explanation​

Answer 1

Step-by-step explanation:

x+1/x=9

(x+1/x)^2=9^2

x^2+2*x*1/x+(1/x)^2=81

x^2+2+1/x^2=81

x^2+1/x^2=81-2

x^2+1/x^2=79

(x-1/x)^2=x^2-2*x*1/x+(1/x)^2

=x^2-2+1/x^2

=x^2+1/x^2-2

=79-2

=77

x-1/x=root77

Answer 2

Answer:

okk I am waiting for you