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真是超級簡單
e)None of the above
As x is a pure real number, but y only with imaginary part.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。0 L, c& L& n( [4 g: p
So if want to compare these two numbers, it should compare there magnitude.
, G8 w  ^7 {' S  O2 s  swww3.tvboxnow.com1. x -> 0+0i
% K: D* H3 O1 D4 [公仔箱論壇2. y -> 0+1i
; P+ {8 a' F9 g; Z- H4 B8 {www3.tvboxnow.com/ ]. v, E( t6 {, D
Magnitude of x is |√(0^2 +0^2)| = 06 G4 S3 R7 g( X4 Z
Magnitude of y is |√(0^2+1^2)| = 1www3.tvboxnow.com; Z" `1 J  i6 s3 i/ V
, Q9 i+ @- f6 D$ k- R
So, the magnitude of y >x
其實唔知啱唔啱,我都係估吓估吓咋
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