CAIE A Level Mathematics 9709 · Differentiation (AS)

Differentiation (AS): calculation question

4 marksStandard

The curve $C$ has equation $y = x^2 + 3x$ . Find the equation of the normal to $C$ at the point where $x = 3$ . Give your answer in the form $Ax + By + C = 0$ , where $A$ , $B$ and $C$ are integers.

(a)
Find the equation of the normal.
[4]

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