If \[|{{z}_{1}}+{{z}_{2}}|=|{{z}_{1}}-{{z}_{2}}|\], then the difference in the amplitudes of \[{{z}_{1}}\] and \[{{z}_{2}}\] is [EAMCET 1985]

If \[|{{z}_{1}}+{{z}_{2}}|=|{{z}_{1}}-{{z}_{2}}|\], then the differe

1.	If \[\|{{z}_{1}}+{{z}_{2}}\|=\|{{z}_{1}}-{{z}_{2}}\|\], then the difference in the amplitudes of \[{{z}_{1}}\] and \[{{z}_{2}}\] is [EAMCET 1985]
A.	\[\frac{\pi }{4}\]
B.	\[\frac{\pi }{3}\]
C.	\[\frac{\pi }{2}\]
D.	0
Answer» D. 0

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If \[|{{z}_{1}}+{{z}_{2}}|=|{{z}_{1}}-{{z}_{2}}|\], then the difference in the amplitudes of \[{{z}_{1}}\] and \[{{z}_{2}}\] is [EAMCET 1985]

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