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ppdgboy

14. Februar 2020 16:16

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According to my knowledge when you multiply a square root times a square root, it will just be the number. So shouldn't it be 10i and not 10i²?

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𝘉𝘭𝘶𝘦𝘣𝘪𝘳𝘥

16. Februar 2020 17:00
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It looks like the key here is that the i is not under the square root sign, so √10i in that picture is equivalent to i√10.

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