Question

prove that 2 is a even number.​

Answer 1

Step-by-step explanation:

Since k is an integer, 2k2 is also an integer, so we can write x2 = 2l for the integer l = 2k2. By definition, this means x2 is an even number. In proof by contradiction, you assume your statement is not true, and then derive a con- tradiction.

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Answer 2

Answer:

Any number that ends in 2, 4, 6 or 8 is even. If the number is larger than 10, if it ends in 0 it is also an even number. They are even because they can be divided by 2 evenly

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