Show an informal and a formal proof to show that the following conjecture is true.

Conjecture: The sum of an odd number and an even number is an odd number.​

Respuesta :

Answer:

Step-by-step explanation:

Let one number (the even one ) = 2x

Let the other number (odd) = 2y + 1

An odd number when divided by 2, has a remainder of 1.

2x + 2y + 1 = 2(x + y) + 1  

2x + 2y is even

1 more makes the result 1

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