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.; Y6 I6 z& o* \! T+ v1 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。  U" b; G- s8 a6 G
1. x -> 0+0i6 ~! p: Q* E6 d  ~' L: v# W' o
2. y -> 0+1i
" L6 w2 ^. U# ~; j. m公仔箱論壇
2 D0 h) `+ A* D+ R- K( ntvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
0 \  z9 o  z/ L/ D6 n+ NMagnitude of y is |√(0^2+1^2)| = 1* G% Z, u+ R0 c. ~3 s4 C

5 {: @2 D8 Y  V5 YSo, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋