As x is a pure real number, but y only with imaginary part.公仔箱論壇8 p5 K/ ~8 C- A) M
So if want to compare these two numbers, it should compare there magnitude.
3 }" g* ~ t% t# ^5 M1. x -> 0+0i
; {+ r8 y. q* s' g; r2 F2 Z# z' |公仔箱論壇2. y -> 0+1itvb now,tvbnow,bttvb7 o- ~, c! e' ]6 w- K# k
公仔箱論壇. b0 J+ |5 B+ ~) C
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。) x, \0 b) _1 ?# u) \! I6 v3 M
Magnitude of y is |√(0^2+1^2)| = 1
$ d' w: R1 d9 a2 ]2 _公仔箱論壇公仔箱論壇" D" e# a8 c- A; z& v
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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