The quadratic equation whose one root is \[\frac{1}{2+\sqrt{5}}\] will

1.	The quadratic equation whose one root is \[\frac{1}{2+\sqrt{5}}\] will be [RPET 1987]
A.	\[{{x}^{2}}+4x-1=0\]
B.	\[{{x}^{2}}+4x+1=0\]
C.	\[{{x}^{2}}-4x-1=0\]
D.	\[\sqrt{2}{{x}^{2}}-4x+1=0\]
Answer» B. \[{{x}^{2}}+4x+1=0\]

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The quadratic equation whose one root is \[\frac{1}{2+\sqrt{5}}\] will be [RPET 1987]

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