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dgxs

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8Â¥: Originally posted by 307385553 at 2012-05-30 14:16:16
Éèx=a+bi,È»ºó°Ñx´øÈëx^2=iÖÐ,Óôý¶¨ÏµÊý·¨Çó½â¡£

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11Â¥2012-05-31 06:55:18
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dgxs

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9Â¥: Originally posted by 33221100 at 2012-05-30 23:30:43
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(1+i)/2^(1/2)
(1-i)/2^(1/2)

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12Â¥2012-05-31 06:56:09
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dgxs

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10Â¥: Originally posted by 33221100 at 2012-05-30 23:36:48
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-(1+i)/2^(1/2)

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13Â¥2012-05-31 06:56:36
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zhangjob

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14Â¥2012-05-31 10:02:19
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kevin123581

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3Â¥: Originally posted by dgxs at 2012-05-29 19:23:49
+/-sqrt(i)ÊÇʲôÊý£¿ÊµÊý£¿ÐéÊý£¿¸´Êý£¿

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µÃµ½a^2-b^2=0,2ab=1.
==>   a=b=+/- sqrt(2)/2
ËùÒÔx=sqrt(2)/2+sqrt(2)/2*i
»òÕßx=-sqrt(2)/2-sqrt(2)/2*i
15Â¥2012-05-31 10:37:06
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dgxs

ľ³æ (ÕýʽдÊÖ)

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15Â¥: Originally posted by kevin123581 at 2012-05-31 10:37:06
¸ùºÅi¼Çס¾ÍÐÐÁË£¬¼Ç²»×¡¾Í×Ô¼ºËãÏ¡£ÏÖÔڵijöµÄ½á¹ûÊÇx=+/-sqrt£¨i£©=a+bi
ƽ·½£º i=a^2-b^2+2abi
µÃµ½a^2-b^2=0,2ab=1.
==>   a=b=+/- sqrt(2)/2
ËùÒÔx=sqrt(2)/2+sqrt(2)/2*i
»òÕßx=-sqrt(2)/2-sqrt(2) ...

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16Â¥2012-05-31 10:55:18
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dgxs

ľ³æ (ÕýʽдÊÖ)

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14Â¥: Originally posted by zhangjob at 2012-05-31 10:02:19
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