If \[{{z}_{1}}.{{z}_{2}}........{{z}_{n}}=z,\] then \[arg\,{{z}_{1}}+arg\,{{z}_{2}}+....\]+\[arg\,{{z}_{n}}\] and \[arg\]\[z\] differ by a

If \[{{z}_{1}}.{{z}_{2}}........{{z}_{n}}=z,\] then \[arg\,{{z}_{1}}+a

1.	If \[{{z}_{1}}.{{z}_{2}}........{{z}_{n}}=z,\] then \[arg\,{{z}_{1}}+arg\,{{z}_{2}}+....\]+\[arg\,{{z}_{n}}\] and \[arg\]\[z\] differ by a
A.	Multiple of \[\pi \]
B.	Multiple of\[\frac{\pi }{2}\]
C.	Greater than \[\pi \]
D.	Less than \[\pi \]
Answer» B. Multiple of\[\frac{\pi }{2}\]

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If \[{{z}_{1}}.{{z}_{2}}........{{z}_{n}}=z,\] then \[arg\,{{z}_{1}}+arg\,{{z}_{2}}+....\]+\[arg\,{{z}_{n}}\] and \[arg\]\[z\] differ by a

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