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2007-06-12 13:26:13 · 2 answers · asked by Somebody 2 in Education & Reference Homework Help

2 answers

The expression inside the square root must be positive if we're not accounting for complex numbers. This is due to the fact that any real number squared cannot possibly be a negative number.

2007-06-12 13:33:21 · answer #1 · answered by Greifinn 2 · 0 0

You can't get the square root of a negative number.

2007-06-12 20:34:06 · answer #2 · answered by jemhasb 7 · 0 0

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