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Euler’s formula linking π, square roots, and factorials
This video explores one of Leonhard Euler’s most elegant ideas, showing how factorials can be used to connect π, square roots ...
Summary The double factorial of n may be defined inductively by (n + 2)!! = (n + 2)(n)!! with (0)!! = (1)!! = 1. Alternatively we may define this notion by the two ...
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