- #1
zxh
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Homework Statement
How do you get from 1/p +1/q = 1 to (p-1)(q-1) = 1? (http://de.wikipedia.org/wiki/Konjugation_%28Reelle_Zahlen%29" )
Homework Equations
Is log(xy) = log(x) + log(y) in any way related to this, i.e the rewritten subject title?
The Attempt at a Solution
Manipulate[
ContourPlot[x + y == x*y, {x, -m, m}, {y, -m, m},
PlotRange -> Automatic], {m, -100, 100}]
TIA!
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