sqrt(-4) ?
回答 (3)
2016-07-20 6:42 pm
sqrt(-4) factor out the -1, which turns to an "i" because math theory
i*sqrt(4) take the sqrt of 4 (2*2=4)
i*2 put it in conventional formatting (i comes last and ditch the multiplication sign)
2i
i*sqrt(4) take the sqrt of 4 (2*2=4)
i*2 put it in conventional formatting (i comes last and ditch the multiplication sign)
2i
2016-07-20 6:13 pm
2i
2016-07-20 7:57 pm
2 i
收錄日期: 2021-04-21 19:21:31
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