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What times itself equals -9?

Updated: 4/28/2022
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13y ago

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3i

the letter "i" is a complex number in mathematics. it stands for the square root of negative one. since you cannot take the square root of negative numbers in your caculators the correct way to represent it is by putting an "i" in the place of the square root of negative one.

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13y ago
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Q: What times itself equals -9?
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