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.
' g1 o1 a4 ?2 d' |1 T* u公仔箱論壇So if want to compare these two numbers, it should compare there magnitude., I5 v# D1 i! F( u, K/ q! P
1. x -> 0+0i. Y' F% i" l& p! q
2. y -> 0+1itvb now,tvbnow,bttvb& s3 z2 Q  J3 I- Z

/ W, ~; ]- g/ K! b- q! CMagnitude of x is |√(0^2 +0^2)| = 0- N% ]8 [1 o/ J& Q/ e
Magnitude of y is |√(0^2+1^2)| = 15.39.217.77! \: D6 v0 u. Y9 C

9 J$ ~6 D/ ^$ Z+ k- u. A' K公仔箱論壇So, the magnitude of y >x

rubykwok

其實唔知啱唔啱，我都係估吓估吓咋