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Two American Teenage Girls May Have Cracked a 2,000-Year-Old Math Puzzle With a Stunning New Pythagoras Proof
For over two millennia, mathematicians agreed on one thing: you can’t use trigonometry to prove Pythagoras’ Theorem—because ...
Office applications like Word periodically, and sometimes, without the consent of a user convert a file to ‘Read-only’ mode while it is being used. The change in default status can be annoying since ...
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