As x is a pure real number, but y only with imaginary part.
" |3 U X. b3 P; Y* o) Z, b* Y: Q( ]tvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.
% Y7 F0 l% w, |5.39.217.771. x -> 0+0iTVBNOW 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 y* p! F) K
2. y -> 0+1i
/ s0 F. U; t5 {" v2 |1 s公仔箱論壇
4 [+ v o4 l* z" M% e) stvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
2 M; o- N& G/ KMagnitude of y is |√(0^2+1^2)| = 15.39.217.777 Q3 L) y1 E* h7 {1 `( q
; m$ X' M0 |, \, x公仔箱論壇So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
