Wen Guotai Daniel's answer to Jack Black's International Baccalaureatte Maths HL question.
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Integer problem, factorization udually helps. In this case, 1009 being a prime number makes things easier. Cheers.
Date Posted:
6 years ago
Some wrong numbers in the quadratic equation formulas (-b+-sqrt(b^2-4ac))/2a but they don't affect the conclusion. My apologies!