The amplitude of\[\frac{1+\sqrt{3}i}{\sqrt{3}+1}\] is [Karnataka CET 1992; Pb CET 2001]

The amplitude of\[\frac{1+\sqrt{3}i}{\sqrt{3}+1}\] is [Karnataka CET 1

1.	The amplitude of\[\frac{1+\sqrt{3}i}{\sqrt{3}+1}\] is [Karnataka CET 1992; Pb CET 2001]
A.	\[\frac{\pi }{3}\]
B.	\[-\frac{\pi }{3}\]
C.	\[\frac{\pi }{6}\]
D.	\[-\frac{\pi }{6}\]
Answer» B. \[-\frac{\pi }{3}\]