Need help with 4u conics question (1 Viewer)

[raghusi]

this question is in the attachment - just question 3(d)- any help would be greatly appreciated

 

[muzeikchun852]

bad photo quality :X
back to the question, if you think about it, it isnt that hard. to find the closest and furtherest distance, it is very obvious when x=+/-a. so:-

 

[slyhunter]

Whoa, how did you even read that?

 

[Lumix]

Hbbhs

 

[Omnipotence]

Lol, at the mark alignment.