Suppose A is a matrix with two rows. The matrix product [2 3]A can be thought of as producing a linear combination of the rows of A. The result is times the first row of A plus times the second row of A. Suppose B is a matrix with 3 rows. What matrix E will subtract 5 times row 2 from row 3 of B when you compute EB? E = 1 What is the inverse of E? E What matrix P will exchange rows 2 and 3 of B when you compute РВ? Р —

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A: Use the properties of invertible matrices and their product to solve this problem as in next step.

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