Old MacDonald Had A Mathematical Farm

Old MacDonald Had A Mathematical Farm
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The mathematical version of "E-I-E-I-O" is pure genius. Those numbers aren't random—they're the mathematical constant e raised to πi, which equals -1. So the square root of -1 gives us i. The final expression, 2(4+7)-22, equals 0. So we've got e, i, e, i, 0... get it? That's what happens when mathematicians have too much time between grant applications.

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