If \[|{{z}_{1}}|\,=\,|{{z}_{2}}|\]and \[arg\,\,\left( \frac{{{z}_{1}}}{{{z}_{2}}} \right)=\pi \], then \[{{z}_{1}}+{{z}_{2}}\]is equal to

If \[|{{z}_{1}}|\,=\,|{{z}_{2}}|\]and \[arg\,\,\left( \frac{{{z}_{1}}}

1.	If \[\|{{z}_{1}}\|\,=\,\|{{z}_{2}}\|\]and \[arg\,\,\left( \frac{{{z}_{1}}}{{{z}_{2}}} \right)=\pi \], then \[{{z}_{1}}+{{z}_{2}}\]is equal to
A.	0
B.	Purely imaginary
C.	Purely real
D.	None of these
Answer» B. Purely imaginary

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If \[|{{z}_{1}}|\,=\,|{{z}_{2}}|\]and \[arg\,\,\left( \frac{{{z}_{1}}}{{{z}_{2}}} \right)=\pi \], then \[{{z}_{1}}+{{z}_{2}}\]is equal to

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