sai2236534

真是超級簡單

maninfat

e)None of the above

rubykwok

As x is a pure real number, but y only with imaginary part.公仔箱論壇: z; w( i9 }$ o) D% L
So if want to compare these two numbers, it should compare there magnitude.
7 _3 O! Z, Y$ N% ?; rtvb now,tvbnow,bttvb1. x -> 0+0i公仔箱論壇. \* ?0 v. @9 j" ?0 |) P+ j) S
2. y -> 0+1i
8 F; v& M( D! p' ]0 R1 `( \公仔箱論壇3 I4 N4 I0 h/ k
Magnitude of x is |√(0^2 +0^2)| = 0
% o8 A4 _, ^1 `) ?' o; ios.tvboxnow.comMagnitude of y is |√(0^2+1^2)| = 1公仔箱論壇2 d" n. @* E3 m, l! I
os.tvboxnow.com' o# u7 ]0 U$ n4 O% M' t+ H/ y
So, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋