18. The first 14 iterates of Newton's method for z³ + (c - 1)*z - c, with c = 0.31 + 1.65*i, starting from x₀ = y₀ = 0.

{0.784281, -0.515851}

{-0.0110082, 0.0341563}

{0.783528, -0.517778}

{-0.0162166, 0.0220856}

{0.784615, -0.517008}

{-0.00919896, 0.0267407}

{0.783868, -0.517062}

{-0.0139362, 0.0265671}

{0.784247, -0.517295}

{-0.0115823, 0.025013}

{0.784133, -0.517059}

{-0.0122564, 0.0265314}

{0.784111, -0.51721}

{-0.0124278, 0.0255811}

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