If b = 0, then the complex number a + bi is a ___ number.

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Derick

Mathematics

1 July, 05:13

If b = 0, then the complex number a + bi is a ___ number.

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Amor · Answer 1

A + bi - - > a + (0) i - - > a + 0 - - > a

A would be a real number. I could be underthinking this but, because anything multiplied by 0 is zero (including complex numbers), then i would just cancel out. i is what makes the number complex ...