Use expressions for odd integers to confirm the conjecture that the product for two odd integers is an odd integer.

Question

Mathematics

Destiney Duran

20 April, 21:11

Use expressions for odd integers to confirm the conjecture that the product for two odd integers is an odd integer.

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Answers (1)

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Drew Wright · Answer 1

2n + 1 et 2n + 3 are two odd integers with n integer

(2n+1) (2n+3) = 4n² + 8n + 3 = 2 (4n² + 4n) + 3

2 (4n² + 4n) is an even integer so 2 (4n² + 4n) + 3 is an odd number

because the sum of an even number and an odd number is an odd number.