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The square root of negative 18 is an imaginary number.

The square root of positive 18 is [ 3 sqrt(2) ].

If the 18 is negative, then scientists and engineers indicate its square root as 3i sqrt(2) . The little ' i ' indicates the square root of negative one.

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โˆ™ 2013-07-30 04:00:22
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Q: What is the square root of negative 18 in radical form?
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