Question

x= 7+4 root 3 then x+1÷x=?​

Answer 1

Answer:

14

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*7-4√3*4√3

= 7-4√3/ 49-48

1/x=7-4√3

x+1/x= 7+4√3 +7-4√3

x+1/x=14