Hey,

1. Find the equation for the parabola with the parameter removed

2. Find the equation of the normal at P or Q then find the other by inspection

3. Find the equation of the line PQ

4. Sub in the given point to find an expression for pq

5. Find the point of int of the normals

6. Find an expression for p+q

7. Remove the parameters in the y co.ord of the point of int of the normals

It seems long so in a test they'll give you some of the components etc.

Also just checking that the answer is ?

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