Question

if x=7+4√3 than find the value of x+1/x​

Answer 1

Answer:

Answer is in explanation

hope you find my answer helpful

Step-by-step explanation:

x=7+4√3

1/X= 1/(7+4√3)

= 1/(7+4√3)×{(7-4√3)/(7-4√3)}

= (7-4√3)/(7)²-(4√3)² = (7-4√3)/49-48

=7-4√3

Now, X+1/X =

(7+4√3)+(7-4√3)