Question: please help me prove this using two-column proof method Problem 1. (20 points) Prove that if a and b are integers and a is even,

please help me prove this using two-column proof method

Problem 1. (20 points) Prove that if a and b are integers and a is even, then ab is even. Recall that "a is even" is defined as "2|a". Use the two-column proof format from Lab 6. Problem 2. (20 points) Prove that multiples(750) C multiples(250). Use the two-column proof format from Lab 6

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