Reciprocal

Author

Eric W. Weisstein
February 1, 2011

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Arithmetic/Reciprocal.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/Reciprocal.html.

©2010 Wolfram Research, Inc. except for portions noted otherwise

Complex Expansion

ComplexExpand[(1/(x+I y))]

Plots

V5

<<Utilities`Plot`

PlotDiscontinuous[(1/x),{x,-2,0,2},PlotStyle->Red,PlotRange->10{-1,1},AxesLabel->TraditionalForm/@{x,1/x}]

ComplexPlot3D[1/z,{z,-5,5}]

ComplexContourPlot[1/z,{z,-5,5}]

V6

Plot[(1/x),{x,-2,2},PlotStyle->Red,PlotRange->10{-1,1},AxesLabel->{x,Superscript[x,-1]}]