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junior college 1 | H2 Maths
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please help, quadratic residues
Date Posted: 1 year ago
Views: 387
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7^12 ==17 mod 47 is just done by brute force repeated multiplication. Vieta's formula tells us -b/a=0=sum of roots. One root is 17, hence the other root is -17=30 mod 47
Date Posted:
1 year ago
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