dy (4x+x²)-x(2x) dr (4+x²)² dy Solve -0 to obtain (2, 4), and (-2,-4) dr or (2 and -2 A1, full solution Al) 11 or (from
Posted: Tue Jun 07, 2022 9:02 am
dy (4x+x²)-x(2x) dr (4+x²)² dy Solve -0 to obtain (2, 4), and (-2,-4) dr or (2 and -2 A1, full solution Al) 11 or (from product rule) (4+x²)¹-2²(4+x2) ²MI AI AI, AI 5