As x is a pure real number, but y only with imaginary part.公仔箱論壇# c6 q* H, w. y: E* \, ~. V
So if want to compare these two numbers, it should compare there magnitude.0 B6 m4 ~9 ]5 O i
1. x -> 0+0i
0 Q$ D! h6 e3 BTVBNOW 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。2. y -> 0+1i
9 s b$ Q# ^( a! o! `. r$ h5.39.217.77:8898公仔箱論壇3 J! F/ W& H. Z H( V
Magnitude of x is |√(0^2 +0^2)| = 02 ?# B) O1 J. `& R; u% D
Magnitude of y is |√(0^2+1^2)| = 15.39.217.77:88987 \/ [. L4 g2 o, C% B
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。* ?# C/ t! q( C
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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