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Friday, 18 june 2010 |
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Paradoxul Kandelhardt |
Proposed by
radufly |
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| (11 comments) | 8.885 times displayed |
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Chiar este paradox? Sau se poate gasi o greseala matematica? |
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Evident ca e o gresesala matematica: din a^2=b^2 rezulta ca a=(+)(-)sqrt(b), niciodata ca a=b, la fel cum in problema de fata s-a ajuns la concluzia ca 5-9/2=4-9/2 (normal ar fi fost 5-9/2=(+)(-)sqrt(4-9/2)). |
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Tags:
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Paradoxul,
Kandelhardt,
math
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