The Secret Behind -1 Factorial

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Dive into the mystery of -1 factorial! Explore advanced math topics like integrals and complex numbers as we tackle this perplexing question. Meet the gamma function, the key to extending factorials beyond positive integers. But there's a twist—calculus shows the integral diverges to infinity. Is -1! factorial really infinity, or is it more complex? Unlock the secrets with analytic continuation and decode Wolfram Alpha's intriguing output.

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