prove the following statements using either direct or contrapositive proof suppose x z if x3 1 i

Name: prove the following statements using either direct or contrapositive proof suppose x z if x3 1 is even then x is odd with full explaination 58412
Uploaded: 2023-03-06T16:12:58-08:00
Duration: 1 min 34 s
Channel: Sri K
Description: prove the following statements using either direct or contrapositive proof suppose x z if x3 1 is even then x is odd with full explaination 58412

Question

Sri K · Accepted Answer

1. We are given that $x^3 - 1$ is even, which means it can be written as $2k$ for some integer $

Question

Prove the following statements using either direct or contrapositive proof: Suppose x ∈ Z. If x³ - 1 is even, then x is odd.

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