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." |' U" O/ \3 ^0 M" R: I3 c- A% w
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。; P5 N- q6 @, ?: B3 E- ?! `0 u, m
1. x -> 0+0i
+ y4 E! \5 {8 d7 Y; n+ x- u3 I公仔箱論壇2. y -> 0+1iTVBNOW 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。8 W# u4 y/ M: f: q2 n4 i

, C; E/ I% {# m: n$ `- K公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0www3.tvboxnow.com9 {+ A* ]) y0 H  S% A+ k
Magnitude of y is |√(0^2+1^2)| = 1! J5 V5 w" ]4 b* u2 C

8 J5 c- |" W! L/ I- u% FSo, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋