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.tvb now,tvbnow,bttvb* B( N5 V) X) R% [3 h' J0 f
So if want to compare these two numbers, it should compare there magnitude.
8 h2 l) H% {7 e; _; r8 _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。1. x -> 0+0iTVBNOW 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。; ?* ^+ _- \) V' G
2. y -> 0+1i" ^5 W; {+ {8 v8 E& H
公仔箱論壇9 O. \/ U+ t6 E. J3 V5 y& u
Magnitude of x is |√(0^2 +0^2)| = 0
! v9 u5 v$ ?2 @; o3 V* y* VMagnitude of y is |√(0^2+1^2)| = 1公仔箱論壇! m* v# t( l2 ~1 T( }
公仔箱論壇# h( J4 [5 o) T: q1 T! N- F
So, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋