Question

If arg (z) < 0, then arg (-z) – arg (z) =
(a) π
(b) -π
(c) -π/2
(d) π/2​

Answer 1

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If arg (z) < 0, then arg (-z) – arg (z) =

(a) π

(b) -π

(c) -π/2

(d) π/2

Answer is π

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