The '''complex plane''' (or Argand plane) is the extension of the [[real number]] line in two dimensions by specifying a point on the y-axis with the imaginary part of a [[complex number]] <math>
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The '''complex plane''' (or Argand plane) is the extension of the [[real number]] line in two dimensions by specifying a point on the x-axis with the real part of a [[complex number]] and a point on the y-axis with the imaginary part.