If A is the 2 × 2 matrix given by - [::] a b A = c d and if ad – bc # 0, the inverse is given by d -b A-1 = ad – bc -c a Use the formula above to find the inverse of the 2 x 2 matrix (if it exists). (If an answer does not exist, enter DNE in any single blank.) 4 -6 -2 3

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