Maths Extension 1 Predictions/Thoughts (6 Viewers)

[2azn4u]

I think it was a. If you use the Rsinx/Rcosx shortcut you could arctana/b-arctana/b. So I think they cancelled out

You're given all 4 angles are strictly positive, so A is immediately ruled out.

 

[tywebb]

paper

EDIT: reuploaded better version

 

[Dontcallmedude]

Ok I think I got 51-56/70. Lost a mark to forgetting to resub u. Also 5/10 for mcq. Lmfao

 

[jackshlz]

ext 1 is my 11th unit, if i bomb this it doesnt affect my atar right?

i didnt bomb it lmao that was easy

 

[Trebla]

The last question Q14d is similar to Q11b of the 2020 BoS Trials (but the converse)

 

[buckminsterfullerene]

I think it was a. If you use the Rsinx/Rcosx shortcut you could arctana/b-arctana/b. So I think they cancelled out

cant cancel out as they cant be negative angles

 

[tywebb]

in post# 202 i reuploaded better version of the paper

 

[synthesisFR]

bro wtf why r they making math exams so piss easy this year after the shit they pulled in 22 n 23 papers

 

[C2H6O]

Did anyone else struggle in that u sub integration with a bunch of e's?

 

[oscccc22]

Ok so looks like 57-58/70 for me

 

[C2H6O]

also where tf were the combs qs?

 

[Allan Mekisic]

Did anyone else struggle in that u sub integration with a bunch of e's?

Yes. Had to divide numerator and denominator by e raised to 2 theta and then it all worked out.

 

[Edward34245]

What raw mark will be an e4

 

[qhdjshci]

What would a 33 out of 70 scale to? lol

 

[jackshlz]

anyone got answers?

 

[C2H6O]

anyone got answers?

well epicmaths livestream coming soon...

 

[larle]

anyone got answers?

yeh scroll up a bit someone posted their answers

 

[zackbekro123]

What we reckon a 77 will scale to

 

[randomuser246]

For 11 c in the zhangs solution they don’t sub back in I did. Were we meant to

 

[K1uggie]

For 11 c in the zhangs solution they don’t sub back in I did. Were we meant to

always sub back in. i forgot to in 4u