Answer:
8+4√3/2+√3
Step-by-step explanation:
a =2+√3
(a +1/a)
(2+√3+1/2+√3)
(2+√3)^2+1/2+√3
4+4√3+3+1/2+√3
d) the line crosses the y-axis above the origin
your welcome
7/16
