good answer% @. k2 Z x+ l) X' S
i love it作者: dr3jai 時間: 2009-2-17 01:32 PM
I think is X>Y作者: ongoky 時間: 2009-2-17 01:56 PM
The Answer is E, There is no answer for Square root of negative Number作者: alanma 時間: 2009-2-17 06:27 PM
作者: yinyinyin1234 時間: 2009-2-17 07:49 PM
see answer作者: 域琪 時間: 2009-2-20 12:31 AM
呵呵~我唔識呀作者: kangchuyi 時間: 2009-3-23 01:35 AM
thank作者: haha28 時間: 2009-5-5 09:18 PM
thanks作者: bb6633 時間: 2010-12-6 01:16 PM
Thanks for sharing作者: felix9981 時間: 2010-12-16 01:36 PM
呵呵~我唔識呀作者: bluekid2030 時間: 2012-12-28 12:44 PM
難題作者: sai2236534 時間: 2012-12-29 07:13 PM
真是超級簡單作者: maninfat 時間: 2013-1-1 10:27 AM
e)None of the above作者: rubykwok 時間: 2013-1-6 06:17 PM
As x is a pure real number, but y only with imaginary part. 9 E( j. u6 z( O# P8 TSo if want to compare these two numbers, it should compare there magnitude.www3.tvboxnow.com( S$ o6 ?5 L; l0 P& u3 `) w
1. x -> 0+0i $ X. ~6 W' s0 d- Q公仔箱論壇2. y -> 0+1i ! i n$ ]6 n2 btvb now,tvbnow,bttvb公仔箱論壇. N8 _# k5 A+ I. x5 A& }, S
Magnitude of x is |√(0^2 +0^2)| = 0www3.tvboxnow.com ~4 q1 Q E( Y
Magnitude of y is |√(0^2+1^2)| = 18 Q: w* x# w r% A
2 @: l. G: o+ ~5 i* I0 ZSo, the magnitude of y >x作者: rubykwok 時間: 2013-1-6 06:50 PM