Mathematics, 12.11.2020 03:20 jwoody5495

Pls Answer 1. Show that (a+bi)^2 = (a+b)(a−b) + 2abi

2. Show that (2x+i)(2x−i) = 4x2 +1

3. Show that (1+i)2 = 2i

Answers: 3

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Pls Answer 1. Show that (a+bi)^2 = (a+b)(a−b) + 2abi

2. Show that (2x+i)(2x−i) = 4x2 +1...