sqrt(3) = 1.732 sqrt(5) = 2.236 sqrt(6) = 2.449 and sqrt(10) = 3.162 find to three places of decimal

It being given that sqrt(3) = 1.732 sqrt(5) = 2.236 sqrt(6) = 2.449 and sqrt(10) = 3.162 find to three places of decimal, the value of each of the following. (1 + 2sqrt(3))/(2 - sqrt(3)) oneplus 2 into root 3 / 2 - root 3