Recent content by jiangxiaoyu

very thanks

I found the <Gauss C F - Werke Banden> on emule. But they are written by Germany. Would I can find the english version ? Where ?

Hello The two magizines are very famous. What's different between them?

Hello I got the photograph in shenzheng. I do not know what is on picture or even it name. http://www.huaxia-han.com/bbs/attachment/Mon_0705/13_17213_526add0d08fb52b.jpg"

Hi The reasult is the question is wrong. Someone was sure the question was wrong at frist glance. The question can not be allowd by dimension role. (b + c)×(a × b) may change to (b + c)×(a + b) In that case, the question was very easy. Thanks!

a x a <=> |a|*|a|*cosθ ， because θ=0 so |a|*|a|*cosθ =0 , a x a =0 Can you give a sample example relative my question? I can not find any example on my schoolbook. Thanks you!

All characters are vector quantities The question is prove the following equation: → → → → → → → → → → (2a + b)×(c -a ) + (b + c)×(a × b) = a × c

Yes , this four years I think it is enought money for my education. I like do scientific research work rather than the work I have been doing. I have the courage of my own convictions.

Thank you MK. I am on wikipedia. Thanks Polly. Your reply is very useful.

Thanks Generally, My work is much over time work. It is usual without Saturday and Sunday. From Monday to Friday, many times I often go home very late and study over middle night. The next day morning I must get up brfore 6 AM, else I can not get the company bus. It is for matriculation...

I am sorry for my multiple post of the same subject. I just want to get some suggest about choosing way. Maybe different people has different answer. When I face to general mathematics home work, I am exciting and very interesting in it. So I want to return university without working. In...

thanks a lot

Hello every one. I come from china. My home town is nanjing jiangsu province in china. I graduated from a technological academy four years ago. I have been working on a korean company for four years. I want to get a further education. I feel that it is the time for me to return a university...

Thanks you scott1.

Hello eveyone I am a new visiter. Very nice to meet you!