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Mathematics, 30.09.2021 19:30 genyjoannerubiera

Someone please help?! Which of the following is a complex number?

-4+ square root 7/3

4/ square root 3 - 7 square root 3/5

5/2 - square root 15

2/3 + square root - 27/28

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Someone please help?! Which of the following is a complex number?

-4+ square root 7/3<...
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