Answers

The Brainliest Answer!
2015-04-20T22:56:49+05:30
X=4+√15
1/x= 1/(4+√15) = 4-√15
to find x + 1/x
x+1/x = (4+√15 + 4 - √15 )
x+1/x = 8


3 5 3
not that you have been already given the value of x so when you find the value of root 15 you'll get 7.87 approx
2015-04-21T15:38:40+05:30