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

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 :smile:

Good luck everyone! Feel free to share any revision tips.

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Reply 1

Loci Pi

Anyone doing this exam tomorrow?

Reply 2

MrRhino

Yup, and I think I’ll enjoy it :biggrin:

Original post by Loci Pi

Anyone doing this exam tomorrow?

Reply 3

callumb1232

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.

(edited 4 years ago)

Reply 4

seabasssss

Was pretty tough! All that weird volume and area stuff

Reply 5

Genotan

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

Reply 6

theicsmmedic

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 !!!!

Reply 7

La Bête

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?

Reply 8

DerivativeName

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

Reply 9

theicsmmedic

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

(edited 4 years ago)

Reply 10

La Bête

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

Reply 11

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

Original post by sarunthan87

Reply 12

La Bête

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?

Reply 13

seabasssss

No but my roots were like -9.43 0.5... and 1.4 ish

Original post by La Bête

Do you remember your cubic?

Reply 14

jdml

what did ppl get for the angle POA?

Reply 15

callumb1232

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

Reply 16

DerivativeName

I got 0 but did the wrong angle

Original post by jdml

what did ppl get for the angle POA?

Reply 17

nofluxgiven

arctan(22/11) = 63.4 degrees

Original post by jdml

what did ppl get for the angle POA?

Reply 18

Loci Pi

Original post by nofluxgiven

arctan(22/11) = 63.4 degrees

That's good - I was doubting my answer to that one :smile:

Reply 19

Loci Pi

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.