If Re(z + 2) = | z $$-$$ 2 |, then the locus of z is

If $$z = {{7 + i} \over {3 + 4i}}$$, then z¹⁴ is

The root of the equation $$2(1 + i){x^2} - 4(2 - i)x - 5 - 3i = 0$$, where $$i = \sqrt { - 1} $$, which has greater modulus, is

If $$z = r{e^{i\theta }}$$, then arg(e^iz) is