As x is a pure real number, but y only with imaginary part.- ~( d: K, s3 Q2 A5 _- }7 g! M
So if want to compare these two numbers, it should compare there magnitude.
* ?9 z* i4 O; K( |9 g2 MTVBNOW 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。1. x -> 0+0i
: Y: k7 I, C- M: Z1 b5.39.217.77:88982. y -> 0+1i
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0 v) x( ?' G. m2 A& O; {tvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇4 ~$ `& `* Y5 ~0 f
Magnitude of y is |√(0^2+1^2)| = 14 N' O q& {0 u& ]3 I6 y s
tvb now,tvbnow,bttvb7 h) r. l* R7 X. ?
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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