OCR A: AS Further Mathematics: Pure Maths (paper 1) 13th May 2019 Watch

Loci Pi
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Here's the exam discussion for AS level FM paper 1 on the 13th of May on OCR A.

Personally this is the FM paper which I'm looking forward to the most

Good luck everyone! Feel free to share any revision tips.
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Loci Pi
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Anyone doing this exam tomorrow?
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MrRhino
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Yup, and I think I’ll enjoy it
(Original post by Loci Pi)
Anyone doing this exam tomorrow?
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callumb1232
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How did you find it? Personally found it harder than the 2018 AS pure paper that I did as practice, so hoping for lower grade boundaries. Ran out of time on a few questions, but it wasn't impossible overall.
Last edited by callumb1232; 1 week ago
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seabasssss
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Was pretty tough! All that weird volume and area stuff
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Genotan
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Didn't enjoy it very much either. Had to miss a few parts of questions due to time. Some of the questions were very different from the questions in papers I did as practice
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sarunthan87
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Overall i think it went okay - I’ve messed up the 4 marker coplanar one as I didn’t spot that the volume would go to 0 giving you an easy equation to solve :/// but apart from that, it was fine - much harder than last year though and much more time pressured !!!!
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La Bête
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Some of the parts in that vector question had me staring blankly at the page for ages. Who else got some weird answer for the co-planar question?
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DerivativeName
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Yeah a pretty hard paper. Ran out of time for the coplanar one and couldn't do the polynomials one. Also think I messed up on the angle one- did OAP not POA or whatever so got 0
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sarunthan87
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For the coplanar one, you had to make determinant of the transformation matrix = 0 as the volume is 0 if all points lie in the same plane. Then you solve for x, I’m so annoyed I ran out of time to properly do it
Last edited by sarunthan87; 1 week ago
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La Bête
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For the polynomial one where it’s a^2b^2 + b^2y^2 + a^2y^2, you have to find out that it’s the same as (ab + by + ay)^2 - 2aby(a + b + y) and you can work it out from there
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seabasssss
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Same here only figured out det=0 at the end and had to rush then ****ed up the expansion so got the wrong cubic I think
(Original post by sarunthan87)
For the coplanar one, you had to make determinant of the transformation matrix = 0 as the volume is 0 if all points lie in the same plane. Then you solve for x, I’m so annoyed I ran out of time to properly do it
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La Bête
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(Original post by seabasssss)
Same here only figured out det=0 at the end and had to rush then ****ed up the expansion so got the wrong cubic I think
Do you remember your cubic?
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seabasssss
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No but my roots were like -9.43 0.5... and 1.4 ish
(Original post by La Bête)
Do you remember your cubic?
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jdml
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what did ppl get for the angle POA?
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callumb1232
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I had 25 in the x^4 term, as did some others I sat it with, can't remember the rest

Edit: think I might be talking about a different question but nvm
(Original post by seabasssss)
No but my roots were like -9.43 0.5... and 1.4 ish
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DerivativeName
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I got 0 but did the wrong angle
(Original post by jdml)
what did ppl get for the angle POA?
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nofluxgiven
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arctan(22/11) = 63.4 degrees
(Original post by jdml)
what did ppl get for the angle POA?
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Loci Pi
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(Original post by nofluxgiven)
arctan(22/11) = 63.4 degrees
That's good - I was doubting my answer to that one
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Loci Pi
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I think that Paper was harder than the 2018 paper. My time management was rubbish and I've dropped at least 8 marks because of it. Oh well, normally my Stats papers go well so hopefully that will increase my overall mark assuming Stats isn't gonna be terrible.
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