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Edexcel FP2 Official 2016 Exam Thread - 8th June 2016 watch

1. (Original post by EricPiphany)
Show that the locus of , has the cartesian equation , subject to .
Spoiler:
Show
I think this is a little bit above the syllabus, so don't worry if you don't know how to do it. Also I may have made an error.

Doing this all on LaTeX, forgive the excessive working:

Imaginary and real parts need to be identical:

Completing the square:

As required.

Blah blah required conditions, pish posh. We require both the real and imaginary part to be positive, which gives us

and .

I don't really see how this is above the syllabus.
2. (Original post by Zacken)

Doing this all on LaTeX, forgive the excessive working:

Imaginary and real parts need to be identical:

Completing the square:

As required.

Blah blah required conditions, pish posh. We require both the real and imaginary part to be positive, which gives us

and .

I don't really see how this is above the syllabus.
Good. I feel bad you put so much work into the latex
They just don't ask these types of problem in the textbook.
3. (Original post by EricPiphany)
Good. I feel bad you put so much work into the latex
They just don't ask these types of problem in the textbook.
You're nicer than I am! Had I seen this problem, I'd have asked: Show that has cartesian equation blah subject to
4. (Original post by Zacken)
You're nicer than I am! Had I seen this problem, I'd have asked: Show that has cartesian equation blah subject to
Go for the full . lol
5. (Original post by EricPiphany)
Go for the full . lol
I wouldn't mind doing that one, but there's no way I'm doing it algebraically.
6. (Original post by Zacken)
I wouldn't mind doing that one, but there's no way I'm doing it algebraically.
At least it's one for all. You might have to make cases for which quadrant θ is in.
Spoiler:
Show
DONT DO IT LOL
7. Hi, could anyone explain how to do question 3b on this paper please? https://8dedc505ac3fba908c50836f5905...%20Edexcel.pdf I'm confused how the modulus changes things? Thanks
8. (Original post by economicss)
Hi, could anyone explain how to do question 3b on this paper please? https://8dedc505ac3fba908c50836f5905...%20Edexcel.pdf I'm confused how the modulus changes things? Thanks
Sketch the graph and you'll see
9. Flopped my FP2 mock today
10. (Original post by Student403)
Flopped my FP2 mock today

11. (Original post by Kvothe the arcane)

No seriously I ain't Zain lol

Reason being we do a joint FP2-FP3 (I think the maths department wanted to kill us) and it's impossible to revise for both of them the night before
12. (Original post by Student403)
Flopped my FP2 mock today
It'll be alright on the night
13. (Original post by SeanFM)
It'll be alright on the night
Hope so mate - thanks

14. (Original post by Student403)
Hope so mate - thanks

good memory, PRSOM (I see we are both really close to 11 gems...)

It was alright, not sure if I've met my GYG goal but we shall see
15. (Original post by SeanFM)
good memory, PRSOM (I see we are both really close to 11 gems...)

It was alright, not sure if I've met my GYG goal but we shall see
I'm sure it was alright!

And holy cow.. Yeah
16. Please can anyone explain why the limits aren't between 0 and pi/6 on question 4b of this paper https://8dedc505ac3fba908c50836f5905...%20Edexcel.pdf and how you know to subtract a shape from the area? Thanks
17. (Original post by economicss)
Please can anyone explain why the limits aren't between 0 and pi/6 on question 4b of this paper https://8dedc505ac3fba908c50836f5905...%20Edexcel.pdf and how you know to subtract a shape from the area? Thanks
18. (Original post by Zacken)

Doing this all on LaTeX, forgive the excessive working:

Imaginary and real parts need to be identical:

Completing the square:

As required.

Blah blah required conditions, pish posh. We require both the real and imaginary part to be positive, which gives us

and .

I don't really see how this is above the syllabus.
Whaaat is this in FP2? tbh we have done all the chapters except end of 3 this looks horrible

edit I just went through it again and its not that bad
19. (Original post by Cpj16)
Whaaat is this in FP2? tbh we have done all the chapters except end of 3 this looks horrible

edit I just went through it again and its not that bad
Glad to hear that, it seems fairly standard to me but mileage varies; don't be worried if you weren't able to do it.

20. Hi can someone pls explain this integration, I don't understand it

thanks

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