2. If A is a 4 by 4 matrix and det A = 2, find det(2A),...

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2. If A is a 4 by 4 matrix and det A = 2, find det(2A), det(-A), det(A2), and det ( A-). 1 t t 3. Calculate the determinant of matrix A = t 1 t +2 t 1 row 1 row 1 + row 2 4. If det A = row 2 =6, then det row 2 + row 3 = ? row 3 row 3 row 1 2. If A is a 4 by 4 matrix and det A = 2, find det(2A), det(-A), det(A2), and det ( A-). 1 t t 3. Calculate the determinant of matrix A = t 1 t +2 t 1 row 1 row 1 + row 2 4. If det A = row 2 =6, then det row 2 + row 3 = ? row 3 row 3 row 1