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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.
# I, x( Q) @/ m1 y/ Z! r4 y9 U5.39.217.76So if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb% y' t, Q" _: O2 O' H
1. x -> 0+0i
: s) U! L- h, n5 u! i" _! x公仔箱論壇2. y -> 0+1i
0 E5 W* I  K" C* r8 r公仔箱論壇
' I# y! ]+ i4 d9 o8 J, l4 ~* ~) Z公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb. E0 m, D8 G  [: X0 L0 o% c
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb9 `. U0 ?9 U  [: a
) v1 n1 \; h7 t, q5 v
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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