X 5y 3 0 July 8, 2019 16 32 64 128 Dy dx x 5y y 0 )= 3 Ay 3 4x x 5y 0 X 2 5y 2 2y 4xy 3 0 3x 5y 3 x 2y 0 X 5y 3 2x 7y 0 5x 7y 17 x 5y 3 0 3 x-5=x+3