Consider three equal sources m in a triangular configuration: one at (a/2, 0), one at (−a/2, 0) and one at (0, a). Plot the stre
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Most real number arithmetic is pretty vacuous
That's about as good a way as possible to write this particular real number. But it's far from the only way.
so
Sometimes you can factor something out and you have a common radical:
But most of them are vacuous,