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。6 v. a2 t- ]0 {- K
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇5 J0 ^* \ r5 n# p* C1 p, W6 O
1. x -> 0+0i
* z2 b8 n2 }+ O3 Y3 N Jtvb now,tvbnow,bttvb2. y -> 0+1iTVBNOW 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。# y( |- _# }% T M# u4 H
8 U2 o2 w! v( J8 J( i: sMagnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇+ \- j" ], v# z& Y% P( o
Magnitude of y is |√(0^2+1^2)| = 18 M% w2 P* m- ^$ v9 M9 E4 H2 Y& V
- n' t& J6 a* K1 |0 B6 g4 m
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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