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.公仔箱論壇3 `6 o6 F9 B/ i3 p: ]) `) K  k
So if want to compare these two numbers, it should compare there magnitude.
2 C7 f% Z" v/ G$ f, \- c  }. N& X1. x -> 0+0i
. ^3 w, `3 P+ g. N; _4 r! z. btvb now,tvbnow,bttvb2. y -> 0+1i
' P4 ?% G( _$ P# c; x- V* q4 `公仔箱論壇4 {+ L8 p2 t/ {: k1 L
Magnitude of x is |√(0^2 +0^2)| = 0! h3 g; Y: D4 x
Magnitude of y is |√(0^2+1^2)| = 1
" W6 N- x+ B( y1 V$ j; I* XTVBNOW 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。5.39.217.76% i) h7 x; N. R' P8 k' J4 S! s
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