EdExcel AS-Level Further Maths October 2020 Paper 1 (Core Pure)

[saabrinaadan]

Where do you get y is greater than equal to 2 from?

[ada]

Salam, thanks Sir you're saving my grade.

[tobakery]

When I draw the circle and the half line, I can only find that they intersect once (therefore isn't there only one complex number satisfying both loci?)

[saabrinaadan]

For the last question shouldn't x be less than/equal to 2???

[a.rs]

For question 10 for the maximum value of r, the markschme seem to do something different. What have they done there?