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What is the principal square root of -25?
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5 votes
What is the principal square root of -25?

User Leonid Mirsky
by
7.5k points

1 Answer

3 votes
√-25

= √(25*-1) = √25 * √-1 = 5i, where i = √-1

The principal square root = 5i

User Spazm
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8.7k points
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