As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb2 K% z& A8 K- W6 r
So if want to compare these two numbers, it should compare there magnitude.
, z( J+ i' b y' U4 Q1 b8 }, Y6 x1. x -> 0+0i
8 k& P5 o! ^; u; P |; Y7 K# ?- p% t2. y -> 0+1i# d8 [, y% [/ d, |2 u
9 @3 j# `/ `: E. ZMagnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb) M; f9 k# X! g |
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。) W; R* p9 C! `: `/ h7 s
tvb now,tvbnow,bttvb; k' U8 H& _) w' t% m: s
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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