1. The problem statement, all variables and given/known data it is problem 1 on the attachment 2. Relevant equations detA = ad - bc for a 2 x 2 matrix, where the first column is a c and the 2nd column is b d 3. The attempt at a solution ah i see the first part i think, but im nto sure im writing my answer in the most correct way, say from first principles (not sure that is the correct eay to describe it). So when i multiply the 2 x 2 matrix by the scalar and work out the determinant by ad - bc, i get the scalar term squared times the determinant of A as the answer. therefore satisfying the first part.