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.
$ Z! g( N5 v6 e5 _( ftvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb0 C$ p$ C+ b: \# {; X0 p! \( S
1. x -> 0+0i5.39.217.779 J% t3 S& n7 z  r2 ]% I5 Q
2. y -> 0+1itvb now,tvbnow,bttvb$ M! D: t* j  u6 e: w1 y( H

: H5 ^# u0 S/ o& m7 U8 ?6 Ktvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0# b4 u  i( t6 S5 I9 ~+ e( y
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb( _8 K1 f4 h* c

) b2 h/ E) O9 P  l9 ZSo, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋