1.

If \[\mathbf{x}=\frac{\sqrt{3}}{2}\], then the value of \[\sqrt{\mathbf{l}+\mathbf{a}}+\sqrt{\mathbf{l}-\mathbf{a}}\] is

A.  \[\sqrt{3}\]     
B.  \[\frac{\sqrt{3}}{2}\]
C.  \[2+\sqrt{3}\]                     
D.  \[2-\sqrt{3}\]
Answer» B.  \[\frac{\sqrt{3}}{2}\]


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