As x is a pure real number, but y only with imaginary part.5.39.217.761 U Z( _/ n1 Y8 b
So if want to compare these two numbers, it should compare there magnitude.5.39.217.76& f" q+ A) b6 Z3 J+ v' o. G
1. x -> 0+0itvb now,tvbnow,bttvb! d0 P" G" w# q" |
2. y -> 0+1i
. n! u: o; Y0 W3 n k! }. A* s5.39.217.76! t" ~0 V4 m$ w# j4 h
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb" z0 D8 C# {% k: C' K# [
Magnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。' G3 A8 y6 W- X$ I Y* p
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。% r7 m7 w8 s5 }# F' a
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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