(a)[6]
Find the exact value of the gradient of the curve at each of the points $A$ and $B$.
(b)[2]
Find the exact $x$-coordinate for $M$.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
The diagram illustrates the curve with equation $y = (\ln x)^2 - 2\ln x$. The curve intersects the $x$-axis at the points $A$ and $B$, and it has a minimum point $M$.