As x is a pure real number, but y only with imaginary part.
# r( b$ f. L' O, v: w8 n2 USo if want to compare these two numbers, it should compare there magnitude.
8 p! ?8 [7 Z' `# ^+ E5.39.217.761. 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。# Z p0 Z, u$ C, _2 c0 [) R }7 G
2. y -> 0+1i
/ r8 L S9 Z, Z+ t公仔箱論壇公仔箱論壇$ V+ \/ u8 E. I' ~ R+ H
Magnitude of x is |√(0^2 +0^2)| = 0
* p& V+ ~- Y# _: \2 k" ^1 mMagnitude of y is |√(0^2+1^2)| = 1TVBNOW 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 {$ i& Q9 v/ D- ?/ t
+ G5 F( |7 S# M0 m. T6 u
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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