Question

If x=5+2 root 6 then the value of x+1/x is 


plz solve it fast​

Answer 1

Answer:

given = x = 5+2√6

putting the value of x in

x + 1/ x

5+2√ 6 + 1/5+2√6

5+2√6 (5+2√6) + 1 / 5+2√6

25 + 10√6 + 10√6 + 24 + 1/ 5+2√6

50 + 20√6 / 5+2√6

10( 5+ 2 √6) / 5+2√6

10