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posted by Mia on Tuesday, November 27, 2012 at 6:35am.

is radical -9*-4 = radical -9 * radical -4 ? Justify

√((-9)(-4)) = √36 = 6 or √((-9)(-4)) = (√-9)(√-4) =(3i)(2i) = 6i^2 = 6(-1) = -6 so what do you think?

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