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Mathematics, 26.10.2020 17:40 avi49

Express the radical using the imaginary unit, iii. Express your answer in simplified form.
\pm\sqrt{-81}=\pm±
−81

=±plus minus, square root of, minus, 81, end square root, equals, plus minus
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Express the radical using the imaginary unit, iii. Express your answer in simplified form.
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