1. If z + z̄ = 0 then z is purelyded.

Question

True/False

1. If z + z̄ = 0 then z is purelyded.

2. If a + ib = \(\sqrt\frac{x+i}{x-i}\) then a² + b² = 1.

3. For an two complex number z₁ and z₂, z₁ + z₂ = z₂ + z₁.

4. If z = \(\sqrt3\) + i the arg(z) = π/6.

Answer 1

1. False

2. True

3. True

4. True