√-9 + √-1

[匿名]

2010-09-08 6:57 am

唔知點解就系唔識做依題~
做黎做去都唔去都唔系答案~

回答 (6)

[匿名]

2010-09-08 8:25 am

✔ 最佳答案

你要先有虛數的概念，才能解這題：

圖片參考：http://imgcld.yimg.com/8/n/AF03915811/o/701009070167313873370410.jpg

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一

2010-09-08 8:59 pm

√-9 + √-1
=√9 i+i
=3i+i
=4i
咁都唔識
唉

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Simon YAU

2010-09-08 5:37 pm

權威解答:
square root of -4.

參考: Simon Yau

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笨蛋小子

2010-09-08 8:46 am

This's a question about complex number

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STEVIE-G™

2010-09-08 7:26 am

√-9+√-1=(√9*√-1)+√-1=3i+i=4i

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C

2010-09-08 7:15 am

NO REAL ANSWER

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收錄日期: 2021-04-13 17:30:57
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