Problem #12: Let [2 marks] Suppose that det(A) = 5. Find the determinant of the following matrix. a1 +4191 C1 2031+b1 a2 + 4192 C2 2032 + b2 a3 + 4193 C3 2613 + b3 Problem # 1 3: Find the determinant of the following huge matrix. [2 marks] 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 1 0 0 6 1 0 0 0 0 0 0 3 0 3 5 1 0 0 0 0 0 7 0 1 1 4 l 0 0 0 0 6 0 -5 8 -7 8 l 0 0 0 9 0 -3 2 6 2 -10 l 0 0 7 0 2 1 10 7 2 2 l 0 6 0 3 15 8 23 8 7 2 7 6 1 l 0 2 5 9 8 9 0 7 7 5 0