English Version: ( i9 F& E1 @* h+ m公仔箱論壇if X = 0 , Y = i , i= √(-1) - U+ Q3 {$ e% @' H8 fTVBNOW 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。 √ means squareroot,TVBNOW 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。2 M) a% K' \/ N2 b) j
which of the following statement is true, os.tvboxnow.com: X: o r( F% d7 ?* L+ V
a)X>Y5 t4 j2 i: T9 U0 d) s( ]9 [ b
b)X=Y 0 r: M7 ?$ u l' H" F6 n( g4 oTVBNOW 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。c)X<Y公仔箱論壇4 L2 o8 _# Y# D+ U9 X5 S+ m
d)X=∈1 [0 f/ R9 u; |3 s+ e" g2 a
e)None of the above & h5 j( J! m3 q+ ios.tvboxnow.comExplain Why you choose that answer 3 r9 u8 v1 ]9 \! a& P6 |tvb now,tvbnow,bttvbPlease supported with at least one explanation. * X+ a; b& c6 ttvb now,tvbnow,bttvb公仔箱論壇8 H/ g( V3 r* C& ]& M
good answer - q @- g8 A: h. D6 \ i. `os.tvboxnow.comi love it作者: dr3jai 時間: 2009-2-17 01:32 PM
I think is X>Y作者: ongoky 時間: 2009-2-17 01:56 PM
The Answer is E, There is no answer for Square root of negative Number作者: alanma 時間: 2009-2-17 06:27 PM
作者: yinyinyin1234 時間: 2009-2-17 07:49 PM
see answer作者: 域琪 時間: 2009-2-20 12:31 AM
呵呵~我唔識呀作者: kangchuyi 時間: 2009-3-23 01:35 AM
thank作者: haha28 時間: 2009-5-5 09:18 PM
thanks作者: bb6633 時間: 2010-12-6 01:16 PM
Thanks for sharing作者: felix9981 時間: 2010-12-16 01:36 PM
呵呵~我唔識呀作者: bluekid2030 時間: 2012-12-28 12:44 PM
難題作者: sai2236534 時間: 2012-12-29 07:13 PM
真是超級簡單作者: maninfat 時間: 2013-1-1 10:27 AM
e)None of the above作者: rubykwok 時間: 2013-1-6 06:17 PM
As x is a pure real number, but y only with imaginary part. $ v) Y& V5 p* B! F( S+ Y* ?os.tvboxnow.comSo if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb& Z; f; r- t. j n
1. x -> 0+0i - m* d* L0 ~; V# dTVBNOW 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。2. y -> 0+1i公仔箱論壇' Y7 A8 | Q9 \9 M" T* ?
* X5 X7 _# o% x) N) S% y! f/ hMagnitude of x is |√(0^2 +0^2)| = 0; o# v1 l& B4 P, S
Magnitude of y is |√(0^2+1^2)| = 1: ~* A3 L# q% ^; v$ d |, [/ m' U; j
TVBNOW 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。" H! {5 P$ {1 q0 z! _7 c
So, the magnitude of y >x作者: rubykwok 時間: 2013-1-6 06:50 PM