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Business Without Borders's avatar

Very nice newsletter I really enjoyed this one. I need to stay more up yo date on math news and breakthroughs

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VK's avatar

I think there is an error in the problem of the week. The fractions should be added, not multiplied:

1/7+1/8+1/9 = 191/504

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Abe R's avatar

It shows addition in the email. But here it’s formatted weirdly. Similarly with the form of the equation on the email there are +’s but here it shows x^3AxB

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VK's avatar

Ah, thanks. I was viewing in the substack app.

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Constantin's avatar

How does the multiplication of points work since when i plug the values into a graphing calculator the points don't at all fit onto the curve.

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Şamil Çelik's avatar

Is there anything wrong with Example 1? Since I couldn't verify (6,10) is also satisfy the equation.

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Constantin's avatar

I have a feeling it means repeated applications of the chord-and-tangent process but even that isn't super clear to me on how that would work

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Abe R's avatar

I believe example 1 has a mistake. The only rational solutions I believe are (3,5) and (3,-5) so is also finite

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