Analysis of information sources in references of the Wikipedia article "−3" in Chinese language version.
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For example, the square roots of 9 are -3 and +3, since (-3)2 = (+3)2 = 9.
square root of 9 could be −3 or +3
For example, the square roots of 9 are -3 and +3, since (-3)2 = (+3)2 = 9.
square root of 9 could be −3 or +3