linear algebra

Quiz 3_fall 2018_Math 2890

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5. For the following matrix A does a system of linear equations AX = B (where B is any column matrix

with 7 entries) have unique solution? Explain. Fnd inverse of A.

𝐴 =

[ 2 3 5 0 0 0 0 0 6 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 √𝜋 0 0 0 0 0 0 0 4 1 0 0 0 0 0 2 2 0 0 0 0 0 0 0 −2]