Question: Problems 23 through 26 introduce the ideadeveloped more fully in the next sectionof a multiplicative inverse of a square matrix. Let and Find B so

Problems 23 through 26 introduce the idea—developed more fully in the next section—of a multiplicative inverse of a square matrix.

Let

= [3 A = 2 3 2 3= [a b d

and

Find B so that AB = I = BA as follows: First equate entries on the two sides of the equation AB = I. Then solve the resulting four equations for a, b, c, and d. Finally verify that BA = I as well.

= [3 A = 2 3 2 3= [a b d

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