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Showthat (a+bi)2 = (a+b)(a−b) + 2abi...
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Mathematics, 30.12.2020 19:30, tonydeanfbg8706
I WILL GIVE BRAINLIST!
Showthat (a+bi)2 = (a+b)(a−b) + 2abi
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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