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.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。9 @. c" |$ f. o( D
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇" o6 J: D) g* Q) q5 T
1. x -> 0+0i5.39.217.77- h, I- Z( J# A
2. y -> 0+1i8 s6 ^0 h. G& ^* L
3 \2 [' ~; P! J! [5 c# F& X9 p
Magnitude of x is |√(0^2 +0^2)| = 0
, S* w* G) S' ], D9 o" C9 _- vMagnitude of y is |√(0^2+1^2)| = 1公仔箱論壇* r2 I8 W* @, U: W9 a  K) o8 @

  r  \% e% G4 e& U! I1 I9 u5.39.217.77So, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋