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June 2015 Edexcel Paper 4HR Help

Hey guys, I decided to do some past paper practice for maths since it's one of my weakest subjects, but I stumbled across this question that I simply do not know how to do.

Can anyone help me? I greatly appreciate it. :smile:
Screen Shot 2016-04-23 at 11.01.46 PM.png18.5KB
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akawais
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Original post by nusquam
Hey guys, I decided to do some past paper practice for maths since it's one of my weakest subjects, but I stumbled across this question that I simply do not know how to do.

Can anyone help me? I greatly appreciate it. :smile:


Hi

Is this specification A or B?
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nusquam
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Original post by akawais
Hi

Is this specification A or B?


Hi! This is A.
Reply 3
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akawais
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Original post by nusquam
Hi! This is A.


OK I'll try to get back to you if I manage to do it. Hopefully someone can answer whilst I'm working it out
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nusquam
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Original post by akawais
OK I'll try to get back to you if I manage to do it.


Thank you very much :biggrin:
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Notnek
21
Original post by nusquam
Hey guys, I decided to do some past paper practice for maths since it's one of my weakest subjects, but I stumbled across this question that I simply do not know how to do.

Can anyone help me? I greatly appreciate it. :smile:

Do you have any thoughts?

What's the method for finding the point of intersection of two curves?
I think p= square root of N/K and q=k (square root of N/K) is that irhgt?
What you need to do is sub in q and p into both equations as you would do and then you end up with q= N/p and and q=kp. Therefore, N/p must equal kp so N/p=kp. Then rearrange to get p squared = N/k and then p= the square root of N/k. The rest is quite simple, as you know that q=kp you sub in p to find q...

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