Posted by **Isaac** on Friday, May 1, 2009 at 9:03pm.

V = Mnxn is a space vector formed by all the square matrices.

Is W = {A in Mnxn : A^x = A} a subspace of V?

Thanks

## Answer this Question

## Related Questions

- Algebra - How would you prove this theorem: The column space of an m x n matrix ...
- Linear Algebra - 1/ Prove that the set V=R+ ( the set of all positive real ...
- Math Elementary Linear Algebra - determine whether or not the given set forms a ...
- linear algebra - Show that a subset W of a vector space V is a subspace of V if ...
- Linear Algebra, orthogonal - The vector v lies in the subspace of R^3 and is ...
- math - Which of the following subsets of the vector space Mnn are subspaces? (a...
- Linear Algebra - Find the basis for the following vector space. Please state ...
- math - Find an orthonormal basis for the subspace of R^3 consisting of all ...
- linear algebra - Let V be the set of all real-valued continuous functions ...
- math - There is one step in a proof that I don't understand. Could someone ...