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Topic: Want help in linear algebra
Replies: 3   Last Post: Jun 21, 2013 6:03 PM

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Justin Tsui

Posts: 3
Registered: 6/20/13
Want help in linear algebra
Posted: Jun 20, 2013 7:06 PM
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Can someone tell me why x1+5*x2-sqrt(2*x3)=1 is a linear equation? For I check the definition of a linear equation:"All variables only to the first power and do not appear", and in this case the power of variable x3 is 1/2, not meeting the definition, but why is this equation still be regarded as a linear equation? Thanks.



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