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AQA MPC4 EXAM~ 10th June 2013

Hi everyone,
I just thought I'll make a thread for core four, as I could not find any.
I hope it helps anyone with core four ( even me :smile:

) if there are any questions just post.

Minnie me :biggrin:

Scroll to see replies

Reply 1

Gary

I genually cannot write/set up a differential equation when they give you a pieces of info and asked to use a constant K :/

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Reply 2

Minnie me

Original post by Gary

I genually cannot write/set up a differential equation when they give you a pieces of info and asked to use a constant K :/

Posted from TSR Mobile

Hi,
Thanks for posting.
I've attached some core four revision notes, which may help yo. If your still stuck just post.

Me :biggrin:

C4-1.pdf372.2KB

Core 4 AQA Revision Notes.pdf277.7KB

Reply 3

Gary

Original post by Minnie me

Hi,
Thanks for posting.
I've attached some core four revision notes, which may help yo. If your still stuck just post.

Me :biggrin:

Thanks for those!

Out of curiosity, What grade you aiming for in maths? :smile:

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Reply 4

Minnie me

Original post by Gary

Thanks for those!

Out of curiosity, What grade you aiming for in maths? :smile:

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Hi,
I'm aiming for B, but I'll see how I do in my mock tomorrow.
How about yourself
Me :biggrin:

(edited 10 years ago)

Reply 5

Minnie me

Hi,
I have a question, I'm stuck on question 2(b) on the Jan12 c4 paper.
I can't seem to get it in the form
(m square root 3 minus n) / (n square root 3 + m)

Please help anyone

Thanks very much
Me :biggrin:

(edited 10 years ago)

Reply 6

thers

Original post by Minnie me

Ah yes I remember that question (did core 4 in Jan 13) as part of my revision. Try multiplying both numerator and denominator by 3sqrt3.

Reply 7

Minnie me

Original post by thers

Ah yes I remember that question (did core 4 in Jan 13) as part of my revision. Try multiplying both numerator and denominator by 3sqrt3.

Hi
Thanks for helping, but why do we multiply both numerator and denominator by 3sqrt3. Here is a picture to try and help explain.
Camera(28).jpg

Ps sorry pic is upside down.

Reply 8

fizzbizz

Original post by Minnie me

Hi
Thanks for helping, but why do we multiply both numerator and denominator by 3sqrt3. Here is a picture to try and help explain.
Camera(28).jpg

Ps sorry pic is upside down.

Hope this helps:

ImageUploadedByStudent Room1369783843.464547.jpg

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(edited 10 years ago)

Reply 9

Minnie me

Hey
Thanks but …

Me :biggrin:

Original post by fizzbizz

Hope this helps:

ImageUploadedByStudent Room1369783843.464547.jpg

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Reply 10

fizzbizz

Original post by Minnie me

Hey
Thanks but …

Me :biggrin:

How'd you mean? I didn't use that identity in the picture, its just manipulating the fraction to the required form :biggrin:

Reply 11

PrinceyJ

Original post by Minnie me

Hey
Thanks but …

Me :biggrin:

Original post by fizzbizz

How'd you mean? I didn't use that identity in the picture, its just manipulating the fraction to the required form :biggrin:

Okay so the identity was used, but you get tanB= -1/root3

Reply 12

Gary

Original post by Minnie me

I just did this paper today and i dont get why 2a ii) is -1/ root3 and not 1/root 3 :s-smilie:

Reply 13

The H

Original post by Gary

I just did this paper today and i dont get why 2a ii) is -1/ root3 and not 1/root 3 :s-smilie:

The question says the angle is obtuse, so if you look at the tan curve, +1/root3 gives acute angles and -1/root3 gives obtuse

Reply 14

wsaqed

Original post by Minnie me

Hi,
Thanks for posting.
I've attached some core four revision notes, which may help yo. If your still stuck just post.

Me :biggrin:

These are amazing do you have some for c3? :smile:

Reply 15

Minnie me

Original post by wsaqed

These are amazing do you have some for c3? :smile:

Hi,
I'm glad you have found them useful.
Here are all the core three notes I have

Me :biggrin:

C3.pdf244.0KB

Core 3 AQA Revision Notes.pdf377.8KB

Core 3 revision notes.pdf33.6KB

Core 3 Revision Sheet.doc242.2KB

Reply 16

Minnie me

Hi,
Core 3 help
Can anyone help me with question 3 of the Jan 10 paper, I seem to get every value expect 3.39

Reply 17

SherlockHolmes

Original post by Minnie me

Hi,
Core 3 help
Can anyone help me with question 3 of the Jan 10 paper, I seem to get every value expect 3.39

Did you get:

cosec^2x+cosecx-12=0[br][br](\mathrm{cosec} x+4)(\mathrm{cosec} x-3)=0[br]

(edited 10 years ago)

Reply 18

Minnie me

Original post by SherlockHolmes

Did you get:<br />
<br />

cosec^2x+cosecx-12=0<br />[br]<br />[br](\mathrm{cosec} x+4)(\mathrm{cosec} x-3)=0<br />[br]

<br />
<br />

Oh no worries, I have worked out my error

Thanks anyways

Me. :biggrin:

Reply 19

fizzbizz

Guys can we move discussion about the C4 exam to this thread

http://www.thestudentroom.co.uk/showthread.php?t=2285046

It was started earlier and so has more pages. No point having two threads about the same exam- why not share everything in one place :smile:

(edited 10 years ago)