You want to arrange 18 blocks into a rectangular shape. What are all the ways this can be done? (outline the rectangles to illustrate.) Also, What mathematical concept does the first part illustrate?
polynomial f(x)= x4-2x3+3x2-ax+b when divided by (x-1) and (x+1) leaves reminder 5 and 19.Find the values of A and B and the reminder when f(x) is divided by (x-2)