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# Edexcel A2 C4 Mathematics June 2016 - Official Thread watch

1. (Original post by BBeyond)
...
You and other might enjoy this, I'll give a bit of guidance to ease things out.

6. Prove that

7. Evaluate
2. (Original post by BBeyond)
Is there a quicker way of doing that? Buzzing with that though ahah didn't even know about this trick until today. I think that might be a bit past my level lol
Slightly, but not by very much. I'll post it up later if you want.

The general trick is if we have a well enough behaved , then:

by using the substitution . :-)
3. (Original post by Zacken)
Slightly, but not by very much. I'll post it up later if you want.

The general trick is if we have a well enough behaved , then:

by using the substitution . :-)
So is that a rule we could quote at a-level? (Not that I'd ever need to tbf ahah)

(Original post by Zacken)
You and other might enjoy this, I'll give a bit of guidance to ease things out.

6. Prove that

7. Evaluate
I'm tutoring in 15 mins but I'll have a look later, cheers!
4. (Original post by BBeyond)
So is that a rule we could quote at a-level? (Not that I'd ever need to tbf ahah)
Well, not quite sure why you'd need to quote it. It's literally write down and you're done in one line.

I'm tutoring in 15 mins but I'll have a look later, cheers!
Awesome, have fun.
5. (Original post by Zacken)
6. Prove that
I think that's enough Maths for me for today...
Spoiler:
Show
I =

=

Going back to:

And expanding

=

6. (Original post by edothero)
I think that's enough Maths for me for today...
Awesome work.
7. (Original post by Zacken)
You and other might enjoy this, I'll give a bit of guidance to ease things out.

6. Prove that

7. Evaluate
6 better not be a C4 past question. Jheez

7 looks easy though
8. (Original post by Lawliettt)
6 better not be a C4 past question. Jheez

7 looks easy though
6 is far easier than 7. But no, none of these are past exam questions. Just really extension-y ones.
9. I don't like vectors
Too repetitive
10. (Original post by Serine Soul)
I don't like vectors
Too repetitive
Nobody likes vectors...
11. (Original post by Serine Soul)
I don't like vectors
Too repetitive
They're actually pretty fun if you look at them outside the treatment that A-Level gives them!
12. (Original post by Zacken)
6 is far easier than 7. But no, none of these are past exam questions. Just really extension-y ones.
7 just looks like it can be done using intergration by parts. There wouldn't be much thinking involved in that case. That being said, I haven't attempted them yet. I'll try later.

On another note, I literally haven't started vectors at all. And I know they're also in M1. How long will it take for me to learn C4 and M1 vectors from scratch?
13. (Original post by Lawliettt)
7 just looks like it can be done using intergration by parts. There wouldn't be much thinking involved in that case. That being said, I haven't attempted them yet. I'll try later.
You'd be best served using the result from question 6 to do question 7. There'd quite a bit of thinking involved, methinks. Have a go.

On another note, I literally haven't started vectors at all. And I know they're also in M1. How long will it take for me to learn C4 and M1 vectors from scratch?
A few hours.
14. (Original post by 13 1 20 8 42)
Nobody likes vectors...
Glad to know I'm not alone

(Original post by Zacken)
They're actually pretty fun if you look at them outside the treatment that A-Level gives them!
Nah, cba doing that
15. Struggling for maths motivation

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Struggling for maths motivation

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Struggling for maths motivation

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Just remember that you need to meet an offer for a uni (if uni's your plan) and that should motivate you
18. (Original post by Serine Soul)

Just remember that you need to meet an offer for a uni (if uni's your plan) and that should motivate you
You'd think it would. I might do a few days of Chem instead.

I'll be majorly ****ed off if I don't get an A* after this.

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You'd think it would. I might do a few days of Chem instead.

I'll be majorly ****ed off if I don't get an A* after this.

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That's honestly how I feel every time I see a question on vectors

That said, I do more work for maths (so much homework ) than an other subject, and I'm least fussed about not getting A* in Maths aha
20. (Original post by Serine Soul)
That's honestly how I feel every time I see a question on vectors

That said, I do more work for maths (so much homework ) than an other subject, and I'm least fussed about not getting A* in Maths aha
I've done far too much on trig the past few days. I can't wait until past papers so it isn't so monotonous.

Vectors are **** as well. I think I only really like calculus.

I just seem to work better when I revise in chunks of certain subjects. I'll try and do half Chem half maths for the next week so I don't get too bored.

Right, back to the grind...

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