if x=5+2 root6 show that root x+1/rootx=2root3

Kindly refer the 6th question of the similar link for your query.
 https://www.meritnation.com/ask-answer/question/15-75-9-35-in-the-form-p-q-form3-root-2-on-a-no-line-if-x/number-systems/7646957
Regards