# Example Linear Algebra Problems

Let 0 denote a 2 x 2 matrix, each of whose entries is 0.

a) Is there a 2 x 2 matrix A such that:

A does not equal 0

A*A=0?

b) Is there a 2 x 2 matrix A such that:

A does not equal 0

A*A=A?

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This solution provides assistance with the linear algebra problems.

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