(main)[8]
Determine the values of the constants $a$, $b$ and $k$.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
A curve is defined by $\frac{dy}{dx} = 3x^2 + ax + b$. Its stationary points are located at $(-1, 2)$ and $(3, k)$.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct stationary-point equations obtained from $f'(x)=0$” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI