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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.
/ `. Q# H8 |- c. f% W# y+ RSo if want to compare these two numbers, it should compare there magnitude.$ Z2 O. }5 w4 i, M& W
1. x -> 0+0itvb now,tvbnow,bttvb# `7 \3 F9 A7 D4 {, t) h6 d
2. y -> 0+1i
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Magnitude of x is |√(0^2 +0^2)| = 0
4 E8 Y5 m8 R5 @5 n公仔箱論壇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。# r7 {4 Y, a; i* ?2 s4 |' M
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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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