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OpenStudy (anonymous):
Express in terms of i. 4√-225
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OpenStudy (saifoo.khan):
60 i
OpenStudy (anonymous):
Can you show your work, please?
OpenStudy (zarkon):
$$\sqrt{225}=15$$ $$4\cdot 15=60$$ since $$\sqrt{-1}=i$$ we get $$60i$$
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