I'm interested in part D - I've looked at the mark scheme and you need to square AC somehow but I don't really understand it, if someone can have a go at the question and let me know how they got the 'show that' answer it would be great, thanks.
Mast C1 Past paper question help
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Why are people repping me >.< What have I done ....
Just asking a question.
you use pythagoras
same as you did in (c)
C is (p,y)
where y is found by using the equation in part (a)
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