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Mathematics
Mathematics
Problem
If
x
=
5
+
2
6
x = 5 + 2\sqrt{6}
x
=
5
+
2
6
then
x
+
1
x
=
\sqrt{x} + \frac{1}{\sqrt{x}} =
x
+
x
1
=
1)
2
2
2\sqrt{2}
2
2
2)
2
3
2\sqrt{3}
2
3
3)
3
+
2
\sqrt{3} + \sqrt{2}
3
+
2
4) None
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