返回列表 回復 發帖
真是超級簡單
e)None of the above
As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb3 l& K0 @6 H* ]6 }# U' f
So if want to compare these two numbers, it should compare there magnitude.www.tvboxnow.com4 L* l$ {3 v* A8 l5 x
1. x -> 0+0i
6 X' m4 J  Q& [$ D* htvb now,tvbnow,bttvb2. y -> 0+1i
+ [! j7 g" `& w1 o/ [# _8 j- b  W8 G5 p( F; Q( I! E
Magnitude of x is |√(0^2 +0^2)| = 0
" }5 i+ S5 b, t# O* T) T! h5 }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。Magnitude of y is |√(0^2+1^2)| = 1www.tvboxnow.com9 O' w2 c; |8 B3 I6 G2 K$ X# Q0 X

) E" u! j( l; F! @公仔箱論壇So, the magnitude of y >x
其實唔知啱唔啱,我都係估吓估吓咋
返回列表