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OpenStudy (anonymous):
why can you not find the sqaure root of a negative number
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OpenStudy (psymon):
Because when you solvefor a square root, its like asking "what number, when multiplied by itself, gets me _____" So if you have the square root of a negative like sqrt(-4), you are askign yourself, what number, when multiplied by itself, gets -4? Well, how can you ever multiply a number by itself and get a negative? Two positives multiply to a positive and two negatives multiply to a positive. You cant have two of the same number multiply to get a negative.
OpenStudy (anonymous):
because you did not study complex numbers yet
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