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真是超級簡單
e)None of the above
As x is a pure real number, but y only with imaginary part.
! d# r; N- z/ a1 |' J5 J: Q( Qwww3.tvboxnow.comSo if want to compare these two numbers, it should compare there magnitude.. V% O. E( f" v7 i1 Q  L# V
1. x -> 0+0i( j& M: ?1 ?; t* T
2. y -> 0+1i公仔箱論壇) ?# ?% H* \# l
公仔箱論壇: D2 `* Y  k* N4 y" u4 N3 x
Magnitude of x is |√(0^2 +0^2)| = 0
' S- A! {. p6 O3 Y/ btvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
8 p% t5 p0 n& Q$ d% `5 ]- uwww3.tvboxnow.com! P  |& G" t( G2 b% f* k
So, the magnitude of y >x
其實唔知啱唔啱,我都係估吓估吓咋
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