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.
+ j* @' N/ g+ z' h  m  ?5.39.217.77So if want to compare these two numbers, it should compare there magnitude.# w$ j6 {% M0 ^8 ~$ u5 V
1. x -> 0+0i
( C/ ^- K: p' Y/ C# Btvb now,tvbnow,bttvb2. y -> 0+1i9 p# Y0 l' g' T
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。! D" E3 c+ P2 c- o0 o9 g2 S
Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇" |3 I( g; F2 X5 O
Magnitude of y is |√(0^2+1^2)| = 18 f( Q# Q$ P  M& K' k9 |

* R$ z4 Z2 \8 ?  U1 b  S% ?tvb now,tvbnow,bttvbSo, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋