sai2236534

真是超級簡單

maninfat

e)None of the above

rubykwok

As x is a pure real number, but y only with imaginary part.* f& p2 s/ P9 z( [
So if want to compare these two numbers, it should compare there magnitude.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。( E; L9 ]! W- y) k- W( K
1. x -> 0+0i
& _7 X' f3 c  u( g- uTVBNOW 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。2. y -> 0+1i公仔箱論壇  l" B8 C1 Y- N, [2 C

& B( y3 b$ E' A! ?  ~5 eMagnitude of x is |√(0^2 +0^2)| = 05 c& L# e6 A2 u
Magnitude of y is |√(0^2+1^2)| = 1
' W6 B/ y: g! z5 W7 [3 m4 Vtvb now,tvbnow,bttvb公仔箱論壇/ S' Z' i# w, e7 u6 ?* u) I
So, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋