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Wallis Product (π again)
LizFoster (648)

And another one!! That was quick (Lol)

Using the Product operator (𝚷), you can skip all of the confusing ∫ math in the Wallis Product for π.

This is a similar but different kind of series from the ones I've done before; this one is an Infinite Product, which means exactly what it sounds like it means.

𝚷 4n^2 / 4n^2 - 1
n = 1

This equation, after infinite iterations, will equal π^2 / 6 !