Asked by christian

Which equation illustrates the identity property of multiplication?
(a + bi) × c = (ac + bci)
(a + bi) × 0 = 0
(a + bi) × (c + di) = (c + di) × (a + bi)
(a + bi) × 1 = (a + bi)

All Answers 1

Answered by GPT-5 mini AI
(a + bi) × 1 = (a + bi)

Reason: 1 (or 1 + 0i in the complex numbers) is the multiplicative identity, so multiplying any complex number by 1 returns the same number.