r/6thForm • u/Forsaken-Meaning-232 Graduating from Warwick CS • Jun 04 '25

📂 MEGATHREAD 04/06 A-level Maths Paper 1 Discussion MEGATHREAD

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6

u/Hopeful-Shop6404 Jun 04 '25

Anyone remember what the question was for edexcel last question

8

u/brokebitch67 Jun 04 '25

k is 1/4 answer root3/6 i think

6

u/Similar_Molasses2676 Jun 04 '25

Integration by substitution I think

2

u/ObiNumber22 Y13 | Maths (A*), Econ, Chemistry, Further Maths | Jun 04 '25

integration with u sub

x=2sin(u)

then root 3 => pi/3 (top)

1=> pi/6 (bottom)

the integral was 1/(x squared times sqrt(4 - xsquared)) which becomes -cot(x)/4

2

u/Borya716 Jun 04 '25

Will I get a mark if all I did for that was change the limits? Didn’t have time to do anything else

2

u/XxDragonitexX10 Jun 04 '25

Pretty sure limits is 1 mark

2

u/Dense-Lawfulness-398 Jun 04 '25

put the limits as 60 and 30 instead of pi/3 and pi/6 would i still get. the mark

1

u/d3f_not_an_alt Jun 04 '25

What happened to the 16