The points \[{{z}_{1}},{{z}_{2}},{{z}_{3}},{{z}_{4}}\] in a complex plane are vertices of a parallelogram taken in order, then

\[{{z}_{1}}+{{z}_{4}}={{z}_{2}}+{{z}_{3}}\]

\[{{z}_{1}}+{{z}_{3}}={{z}_{2}}+{{z}_{4}}\]

The points \[{{z}_{1}},{{z}_{2}},{{z}_{3}},{{z}_{4}}\] in a complex pl

1.	The points \[{{z}_{1}},{{z}_{2}},{{z}_{3}},{{z}_{4}}\] in a complex plane are vertices of a parallelogram taken in order, then
A.	\[{{z}_{1}}+{{z}_{4}}={{z}_{2}}+{{z}_{3}}\]
B.	\[{{z}_{1}}+{{z}_{3}}={{z}_{2}}+{{z}_{4}}\]
C.	\[{{z}_{1}}+{{z}_{2}}={{z}_{3}}+{{z}_{4}}\]
D.	None of these
Answer» C. \[{{z}_{1}}+{{z}_{2}}={{z}_{3}}+{{z}_{4}}\]

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The points \[{{z}_{1}},{{z}_{2}},{{z}_{3}},{{z}_{4}}\] in a complex plane are vertices of a parallelogram taken in order, then

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