Recent questions in Linear Algebra - Mathematics

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By using the mathod of triangle

U+V+W=23U+3V-W=6U-V+W=1
05/03/2017

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Linear Algebra: Vectors

Show that |a+b|^2 + |a-b|^2 = 2|a|^2 +|b|^2
05/03/2017

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Linear Algebra: Vectors

Show that |a+b|^2 + |a-b|^2 = 2|a|^2 +|b|^2
05/03/2017

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Problem from group theory

in a group G, e is the identity .x,y belongs to G such that (x^5)(y^3)=(x^8)(y^5)=e. which one true a)x=e but y not = eb)x=y=ec)x not= e and y not= e
07/02/2015