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# Edexcel Jan 2017 f1 official thread watch

1. How was your exam guys? Any one get the coordinates of Q and R right?
What do you think the grade boundaries will be?
2. Is it just me who thought it was hard...There are so few students at my school doing FM so no idea how the exam was generally
3. Couldnt solve radius. Couldnt show the disibility for n=k+1. Other than that. got the rest.
4. Found the paper very easy except question 8 part c) d) Couldnt find r and didnt find the coordinates of Q and R.
I just wanted to check what people got for their angle in the matrices question, was it 3.69 (around that...)
5. It was more difficult than june's for sure, but overall I think it was easy. I think the coordinates were Q(3a,4root3a) and P(3a, -4root3a). I just took the normal at Q and said it must pass through the centre of the cycle (as radius). Another guy in my class said that the tangent of C at Q must be equal to the tangent of the circle at Q and found the coordinates like that.
6. (Original post by Nasimalam)
How was your exam guys? Any one get the coordinates of Q and R right?
What do you think the grade boundaries will be?
I just did q8 part c and d, at home and the answers I got for Q(3a,2aroot(3)) and R(3a,-2aroot(3)) . I acquired this by using the normal equation we got and substituting the coordinates of the circle center. Part D the answer was 4a^2 root(3)
7. (Original post by Amirali_Mr)
I just did q8 part c and d, at home and the answers I got for Q(3a,2aroot(3)) and R(3a,-2aroot(3)) . I acquired this by using the normal equation we got and substituting the coordinates of the circle center. Part D the answer was 4a^2 root(3)
Oh God! It was that simple.Awww
8. (Original post by Nasimalam)
Oh God! It was that simple.Awww
I know I'm annoyed...
9. (Original post by Amirali_Mr)
I just did q8 part c and d, at home and the answers I got for Q(3a,2aroot(3)) and R(3a,-2aroot(3)) . I acquired this by using the normal equation we got and substituting the coordinates of the circle center. Part D the answer was 4a^2 root(3)
Yes! I couldn't remember in which part was 2 and in which 4
10. Anyone remembers the wording of the Matrix question?
11. (Original post by Zacula)
Anyone remembers the wording of the Matrix question?
Reflection in y axis

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