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Simplify radical -81

Simplify radical -81
asked 43.1k views
1 vote
Simplify radical -81

asked
User GlaceCelery
by
8.7k points

1 Answer

6 votes

Explanation:

-81


√( - 1) \: * √(81)


√( - 1) = i


i * \sqrt{9 {}^(2) }


i * 9


9i

answered
User Ram Prakash Bhat
by
7.9k points
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