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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.
9 G( j0 B' k$ O, Ytvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.公仔箱論壇1 ~9 ]0 x: g! E1 f' u/ p; @
1. x -> 0+0i
! [( |) Y/ _3 w) z" K" A3 p2. y -> 0+1i4 g! s8 d; d, o2 h7 C7 v( ]
3 R  U9 T' f, e
Magnitude of x is |√(0^2 +0^2)| = 0
. G. V" O& V1 E3 v. Owww3.tvboxnow.comMagnitude 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。( T  S" d/ N- J
公仔箱論壇# I* }. n: f' |
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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