Recent content by proxyIP

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    Find all possible values of rank(A) as a varies

    Thanks a lot; that was very helpful.
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    Find all possible values of rank(A) as a varies

    Homework Statement Find all possible values of rank(A) as a varies. A=[1, 2, a] [-2, 4a, 2] [a, -2, 1] A is 3x3, just merge the 3 row vectors. The Attempt at a Solution I have the solution but I create this thread to find the most effective/efficient procedure for me to solve these kinds...
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    Proving Isomorphisms of Vector Spaces

    Homework Statement http://i25.tinypic.com/j8i4278.jpgHomework Equations&The Attempt at a Solution isomoprism is bijective i have no clue whatsoever..im going to research a little bit now ill appreciate any help