If \[x=(7+4\sqrt{3}),\]then \[\left( x+\frac{1}{x} \right)=\_\_\_\_\_.

1.	If \[x=(7+4\sqrt{3}),\]then \[\left( x+\frac{1}{x} \right)=\_\_\_\_\_.\]
A.	\[8\sqrt{3}\]
B.	14
C.	49
D.	48
Answer» C. 49

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If \[x=(7+4\sqrt{3}),\]then \[\left( x+\frac{1}{x} \right)=\_\_\_\_\_.\]

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