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# P3: How Was It For You? watch

1. (Original post by KingAS)
**** that was hard as ****
yes it was soo different?!!
2. yeah i like integrated tanx to sec^2 x n **** like that.....didnt do 1...did question 3......kinda ****ed up 7......and didnt get enough time for last part of 8.......

lol did pretty much the same as you
3. i did 2,3,5,6 and 8
1 i have no idea what do to so i left it blank
2) all was good
3 all was fine i think!
4 hard i tried it but i kno its wrong so ill ge some marks
5 was fine straightforward
6 all was okay
7 huh????? i did part b but i kno its wrong but i should get some marks out of 7
8 i did all except the last part fine. i attempted the last bit but eh?

anyone else??
4. Yay me!
I did okay.
Almost answered 8 with fractions with 7 digit denominators to begin with....
But mostly, they were totally fine.
I may just have passed it!
5. (Original post by Iluvatar)
Yay me!
I did okay.
Almost answered 8 with fractions with 7 digit denominators to begin with....
But mostly, they were totally fine.
I may just have passed it!
which questions did u do?
6. (Original post by kriztinae)
i did 2,3,5,6 and 8
1 i have no idea what do to so i left it blank
2) all was good
3 all was fine i think!
4 hard i tried it but i kno its wrong so ill ge some marks
5 was fine straightforward
6 all was okay
7 huh????? i did part b but i kno its wrong but i should get some marks out of 7
8 i did all except the last part fine. i attempted the last bit but eh?

anyone else??
1) i took a stab at random things, hoping to pick up at least a mark
2) Can't remember what it was
3) Again, ermm....
4) Totally nailed it with random maths (no idea what i did, but got the answer)
5) Can't remember again
6) Couldn't do one part of it (getting tant+t from the two equations)
7) I can't remember it
8) Yay me.... first time, as i said, total mess up, but second time, nailed it!
7. i hate edexcel i got 2,3,4,5,6 and maybe some marks for 7 and 8 but ran out of time! i thought it would be like the past papers but this was actually HARD! I'm feeling pretty p'd off at the moment and feel i could have done better
8. (Original post by kriztinae)
which questions did u do?
All of them, to varying degrees of guesswork
Ques 6 where u had to show tant + t etc why were their limits different to the ones given with the parametric eqns? one was pi/2 and they had pi/3 or vice versa.
10. ok lets try and refresh our memory!
1) that ln of **** derivatives of cotx and cosecx
2) the factor theorem and the remainder theorem
3) circles
4) integration by substitution
5) partial fractions then expand in ascending powers
6) parametric equations and integration
7) rates of change
8) vectors!
am i right?
11. (Original post by kriztinae)
how did u answer the first question?
the derivatives ****?
1/ (cosecx + cotx) *(-cosec^2x -cotx)
12. (Original post by Iluvatar)
All of them, to varying degrees of guesswork
arg im sure u did well! im a lil dissapointed with it all
13. (Original post by kriztinae)
ok lets try and refresh our memory!
1) that ln of **** derivatives of cotx and cosecx
2) the factor theorem and the remainder theorem
3) circles
4) integration by substitution
5) partial fractions then expand in ascending powers
6) parametric equations and integration
7) rates of change
8) vectors!
am i right?
Yep! I nearly forgot them!
i thought the 1st ques was supoosed to b easy then i couldnt do it!
14. (Original post by kriztinae)
ok lets try and refresh our memory!
1) that ln of **** derivatives of cotx and cosecx
2) the factor theorem and the remainder theorem
3) circles
4) integration by substitution
5) partial fractions then expand in ascending powers
6) parametric equations and integration
7) rates of change
8) vectors!
am i right?
2) The what?
3) Way too easy
5) I didn't have a clue how you would expand a fraction in that form to ascending powers.
6) Ermm.... still don't remember
7) I think i got it, although i probably got it wrong, as my answers went way over 4.
15. (Original post by kriztinae)
arg im sure u did well! im a lil dissapointed with it all
So am i, i think.
Maybe.
Although my maths has actually got worse throughout the year.
16. first question was chain rule, setting whats in the ln to t then differentiating y=lnt.

still took longer than i would have liked for q1, was only 3 marks i think.

connected rates of change part b was tricky, couldnt get it into the form A= just the form A^-1/2 = 1/t^2 +1 or something

couldnt do 8d, can never get my head rount vector questions that require you to think, was only 4 marks anyway.
17. (Original post by kriztinae)
ok lets try and refresh our memory!
1) that ln of **** derivatives of cotx and cosecx
2) the factor theorem and the remainder theorem
3) circles
4) integration by substitution
5) partial fractions then expand in ascending powers
6) parametric equations and integration
7) rates of change
8) vectors!
am i right?
Answers ( pretty sure they are rite )

1) proving was easy
2) cant remember the third factor but one was 0 and the other was -2
3)dont remember the question was
4)easy **** proof .. just had to take (1+sinx)^6 common
5) 2 - x +11x^2
6) 6ln2 + (pi^2/3)
7) 4t^2/(t+1)^2
8) dont remember the last part but alpha was -3 and T was 3 or -3 (one of em .. i have a sucky short term memory )
18. (Original post by Iluvatar)
2) The what?
3) Way too easy
5) I didn't have a clue how you would expand a fraction in that form to ascending powers.
6) Ermm.... still don't remember
7) I think i got it, although i probably got it wrong, as my answers went way over 4.
question 6 they gave us two parametric equations, asked us to find a, then to prove that the integral was something and then integrate it, was good i think
19. P3 was welllllllll hard! some of the questions were well dodgy like the very last vector one... how were u meant 2 do dat???

Question one was dodgy, so was dat 8 mark integration one. I totally screwed it up first time round cos i sed dat u=sinx instead of u=sin x + 1 but tried it a second time and got about half way.

question 7 was dodgy as well. I cudn't rearrange A in terms of t properly so dat means i got da very last part wrong as well.
I cudn;t even show da bludy area of R eitha...

therz at least a gud 15-20 marks there, so i'm basically screwed. No chance of an A now unless they lower the boundary by a considerably amount...
20. (Original post by infekt)
Answers ( pretty sure they are rite )

1) proving was easy
2) cant remember the third factor but one was 0 and the other was -2
3)dont remember the question was
4) 6ln2 + (pi^2/3)
5) 2 - x +11x^2
7) 4t^2/(t+1)^2
8) dont remember the last part but alpha was -3 and T was 3 or -3
1) ermm, no
2)i got +/-1 and -3/2

4)wasn't that a proof too?
5)No idea
7)Again, i got totally different
8) alpha was -3, and T was 3 at one point

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