Question

if x=7+4√3, find x+1/x​

Answer 1

Step-by-step explanation:

x+1/x= 7+4*√3+1/7+4*√3

8+4√3 / 7+4√3

8*4√3*√3 /7+4√3*√3. ( rationalising denominator)

8+12/7+12

20/19