Question: Suppose that $M_{22}$ is a vector space of all $2 times 2$ square matrices. Let $U_{22}$ be the set of all upper triangular $2 times

Suppose that $M_{22}$ is a vector space of all $2 \times

Suppose that $M_{22}$ is a vector space of all $2 \times 2$ square matrices. Let $U_{22}$ be the set of all upper triangular $2 \times 2$ matrices. Find a basis for $U_{22}$. CS.VS. 1415

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