Question: Please so kindly help with both problems and label clearly. Thank you so much D Question 8 For any 2x2 matrix A = a b

Please so kindly help with both problems and label clearly. Thank you so much

D Question 8 For any 2x2 matrix A = a b , we define its determinant by det(A) = [A| = ad - bc. If A is a 2x2 matrix with det(A) = 15 and tr(A) = 240, find tr(A-1). K D Question 9 If A is a 2x2 matrix and det(A) = 50, find det(A-!)

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