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OpenStudy (anonymous):
I am stuck on this... (√-4)(√-16) my answer choices are 8, -8, 8i, -8i
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OpenStudy (anonymous):
8i :)
OpenStudy (anonymous):
thanks!
OpenStudy (anonymous):
wait!!! I am awfully wrong! the answer is -8!! yes -8 is correct
OpenStudy (anonymous):
√-4) = 2i (√-16) = 4i 2i x 4i = 8(i^2) = -8
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