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.
" O: n( p, Z- ^& T5 w4 q& B# P( k% Vwww3.tvboxnow.comSo if want to compare these two numbers, it should compare there magnitude.公仔箱論壇) Y: k0 T& ~8 A. ], w$ O1 v
1. x -> 0+0i
' P) `% w3 a7 T6 k1 x9 q( c( R公仔箱論壇2. y -> 0+1i7 \0 H2 X% n( L: u

8 K* M! p# J, n; ]  o, A% O( f公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb% h7 X4 [' w/ U. x! \
Magnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。' H* r* F% K( q+ ^: c7 a  ^3 I

4 c/ w' C9 g0 ^4 USo, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋