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  3. a let a b c denote integers not all zero...

Question: a let a b c denote integers not all zero...

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a. Let a, b, c denote integers (not all zero). Carefully define ged(a, b, c) and lem(a, b, c) b. Find integers z, y, z such that 6z + 15y 20z 1. c. State and prove a necessary and sufficient condition on a, b, c for the equation aa+by+cz 1 to have a solution in integers r, y, z. Does gcd (a, b, c) lcm(a, b, c)-abe? Prove or disprove. d.
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