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。* l& ^. C, J% Z# ^
So if want to compare these two numbers, it should compare there magnitude.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。- z; u$ n- ]7 ]1 r
1. x -> 0+0i
$ z$ E- ~& e8 s& P X0 \; m2. y -> 0+1i
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Magnitude of x is |√(0^2 +0^2)| = 08 B7 n+ z: c+ ^1 ^
Magnitude of y is |√(0^2+1^2)| = 17 V) z; z. v, S$ h$ `5 J* H
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So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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