If z1,z2,z3 be three non-zero complex number, such that z2≠z1,a=|z1| – InterviewSolution

1.	If z1,z2,z3 be three non-zero complex number, such that z2≠z1,a=\|z1\|,b=\|z2\| and c=\|z3\| suppose that ∣∣∣∣abcbcacab∣∣∣∣=0, then arg (z3z2) is equal to
Answer» If $z_{1}, z_{2}, z_{3}$ be three non-zero complex number, such that $z_{2} \neq z_{1}, a = \| z_{1} \|, b = \| z_{2} \| a n d c = \| z_{3} \|$ suppose that $∣ ∣∣ ∣ \begin{matrix} a & b & c b & c & a c & a & b \end{matrix} ∣ ∣∣ ∣ = 0$ , then arg $(\frac{z_{3}}{z_{2}})$ is equal to

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