As x is a pure real number, but y only with imaginary part.公仔箱論壇 |# V' c: q8 q$ n
So if want to compare these two numbers, it should compare there magnitude.
- h! v# `7 h2 b% x- f. q) O0 x公仔箱論壇1. x -> 0+0i
8 W3 o5 V/ E- U" }$ W3 O公仔箱論壇2. y -> 0+1i- T; ~* h; k" {: _
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。! q( T1 i, V% H0 d
Magnitude of x is |√(0^2 +0^2)| = 0% a; n& A# a1 ?) ?
Magnitude of y is |√(0^2+1^2)| = 1
4 d. \1 V. X5 `& D Gtvb now,tvbnow,bttvb6 M2 c4 v% Q# z) |' G
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
