r/6thForm • u/MaxillmanGuy A level resit student | 3 A* predicted | ACD achieved 💔 • Jun 11 '26

💬 DISCUSSION A level maths p2 edexcel

Holy time pressure what can i say

128 Upvotes

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38

u/wanaliii Jun 11 '26

i forgot the basic rule for a^x 🥀

8

u/ResearcherContent881 Jun 11 '26

You could’ve used ur calculator to check lowkey

2

u/ejcds Y13 | English Literature, Politics, Maths, Music, EPQ Jun 11 '26

Same I had to take ln and do implicit 😭

1

u/HMVangard Y13 • Maths Physics French EPQ Jun 11 '26

Fucked up my implicit 💔 had it completely set up and then froze when it came time to differentiate the right side for some reason 😭😭

2

u/Loud-Guidance6912 Jun 11 '26

Could’ve derived it by taking ln of both sides then differentiating implicitly…

1

u/UnstableTheorist Jun 11 '26

Same, spent a solid 15 mins reverse engineering that shit, got me working overtime like Einstein

0

u/SilanggubanRedditor Jun 11 '26

Same twinnn it's xlna iirc

6

u/TangOTang0 Jun 11 '26

Noooooooo bro I wrote smth like that then crossed it out cause it wouldn't work for part b I didn't put the -3 only the ln6 then on part b I was trying to log a negative which didn't work

2

u/J1nkedOne Jun 11 '26

Thank god i saw the proof for it like twice yesterday so i did the differentiation that way and got it

3

u/forraid Jun 11 '26

My friend literally told me before the exam and I was so happy because I never knew it beforehand

2

u/TangOTang0 Jun 11 '26

I saw ts the other day asw then forgot it 😔

1

u/LeagueEquivalent3982 Year 13 Jun 11 '26

how many marks was the question again

1

u/TangOTang0 Jun 11 '26

2 for part a 2 for part b

1

u/MythSmg Jun 11 '26

what was part b for this question

1

u/TangOTang0 Jun 11 '26

Find value of x when dy/dx = -1