![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 11.10.2020 19:01, hailey5129
Lin says, "When you add or multiply two complex numbers, you will always get an answer you can
write in a + bi form."
Noah says, “I don't think so. Here are some exceptions I found:"
(7 + 2i) + (3 - 2i) = 10
(2 + 21) (2 + 2i) = 8i
a.
Check Noah's arithmetic. Is it correct?
b.
Can Noah's answers be written in the form a + bi, where a and b are real numbers? Explain
or show your reasoning.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Lin says, "When you add or multiply two complex numbers, you will always get an answer you can
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