1.

The quadratic equation whose one root is \[2-\sqrt{3}\]will be  [RPET 1985]

A. \[{{x}^{2}}-4x-1=0\]
B. \[{{x}^{2}}-4x+1=0\]
C. \[{{x}^{2}}+4x-1=0\]
D. \[{{x}^{2}}+4x+1=0\]
Answer» C. \[{{x}^{2}}+4x-1=0\]


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