Question: Exercise 9. Let a,b,c E Z. Suppose a and b are not both zero, and c0. Prove that c ged(a, b 3 gcd(ca, cb)

Exercise 9. Let a,b,c E Z. Suppose a and b are

Exercise 9. Let a,b,c E Z. Suppose a and b are not both zero, and c0. Prove that c ged(a, b 3 gcd(ca, cb)

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