返回列表 回復 發帖
真是超級簡單
e)None of the above
As x is a pure real number, but y only with imaginary part.
) f! r4 f  ^. m, u) U( {- i" Y" Z- o5.39.217.77:8898So if want to compare these two numbers, it should compare there magnitude.
; Y' |1 ?5 N& ]  l1 T  m5 P公仔箱論壇1. x -> 0+0i
, l1 j* ]3 c$ `; y4 o2. y -> 0+1i
# r' x; l8 x' z7 jtvb now,tvbnow,bttvb
( E5 f- I" H$ q& q) o. TMagnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇7 V+ p4 u* ], T& X, p
Magnitude of y is |√(0^2+1^2)| = 1
5 O# j; \1 m; N4 c  u1 Q' N5.39.217.77:8898
$ {7 Q( s$ w# I# mTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。So, the magnitude of y >x
其實唔知啱唔啱,我都係估吓估吓咋
返回列表