good answer * h- x7 a5 Z* J1 T T( Ii 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. ; f; l9 ?' W. n. s3 stvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude. " J: E" G# n: z1. x -> 0+0i + ~! Z2 x, z o; R2. y -> 0+1i : `3 H3 K* g2 U: g( rtvb now,tvbnow,bttvbwww1.tvboxnow.com4 Q# O ?$ O; c$ Z( e
Magnitude of x is |√(0^2 +0^2)| = 0 " ]" u. P1 o! d9 ?( `/ D/ Uwww1.tvboxnow.comMagnitude of y is |√(0^2+1^2)| = 1$ j4 t, r0 S" }# B, J
3 { ~' O) M7 A/ A( o- g2 Rwww1.tvboxnow.comSo, the magnitude of y >x作者: rubykwok 時間: 2013-1-6 06:50 PM