English Version: 1 {3 K5 Z$ }9 w& i1 b) lif X = 0 , Y = i , i= √(-1) tvb now,tvbnow,bttvb' N2 Q+ }8 u& b1 ]
√ means squareroot, `) T; R- k: l5 X+ L5 Y
which of the following statement is true, 5.39.217.771 x F: l" J. g. j6 m) t% V
a)X>Y 2 h+ U0 ~( n- L3 n6 y. D, Q5.39.217.77b)X=Y 8 ^3 Q' Q. {) V1 a) X2 l# [! [公仔箱論壇c)X<Y) X/ v3 G( c" s& R# D
d)X=∈5.39.217.77% r! ]8 c, D7 y* c3 d: g
e)None of the above % X4 r7 k" p$ ^) a% O+ e' y5 k0 w9 kTVBNOW 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。Explain Why you choose that answerTVBNOW 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。4 d* l/ t2 i& W1 u( b
Please supported with at least one explanation.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。1 s2 `2 a- D8 g' W3 U; `& v {
5.39.217.77. E. }6 r9 v3 q( m% f& W
0 表示实部和虚部都为0 8 l! `8 g1 \( X7 R# ~* A9 Qi 表示实部为0,虚部为i5.39.217.773 M q8 }# m& S& B. c. c
所以x<ytvb now,tvbnow,bttvb! h7 [! _4 P0 i' `1 o3 `
5.39.217.773 W. j9 B4 C+ ^$ T/ C; M
若0只代表实数,i是虚数 9 e* R7 L3 G8 _; o1 F5 f9 j公仔箱論壇两者不具备可比性作者: samtsirhc 時間: 2009-2-16 02:36 PM
good answer公仔箱論壇) q9 @4 S2 q# P& I: \
i 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. ' J) Q; M9 C) a* ?So if want to compare these two numbers, it should compare there magnitude. - c6 |* c% L" l, [& G8 H1. x -> 0+0i + \+ W* P* E- m4 q! i f2. y -> 0+1itvb now,tvbnow,bttvb/ p3 {9 j3 R0 {) k
2 o, B7 z3 i4 m; I! d7 ?Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb% m2 ^; A+ Y# L6 T' O: F
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb* f$ v* C% n, s3 b
2 T" p. z! r/ k4 t& U- s
So, the magnitude of y >x作者: rubykwok 時間: 2013-1-6 06:50 PM