Mathematics · Number Theory
According to Bezout's identity, if a and b are integers (not both 0), then there exist integers u and v such that:
- 1gcd(a, a) = ua + vb
- 2gcd(a, b) = ua + vb✓
- 3gcd(a, b) = va - ub
- 4gcd(b, a) = ua - vb
Correct answer
gcd(a, b) = ua + vb
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