Mathematics, 24.03.2020 17:35 danam04

Prove that A is idempotent if and only if AT is idempotent. Getting Started: The phrase "if and only if" means that you have to prove two statements. 1. If A is idempotent, then AT is idempotent. 2. If AT is idempotent, then A is idempotent. STEP 1: Begin your proof of the first statement by assuming that A is idempotent.

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Prove that A is idempotent if and only if AT is idempotent. Getting Started: The phrase "if and only...