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Cie pure maths , oct/nov 9709 12

Hey guyz,

Thought I'd make a thread about a paper I wrote like 10 mins ago. How did it go for everyone who wrote it?? :smile:

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Reply 1
Original post by FunkyBanana
Hey guyz,

Thought I'd make a thread about a paper I wrote like 10 mins ago. How did it go for everyone who wrote it?? :smile:


It went great for me. The paper was pretty short, 10 questions only. The question on binomial expansion was a bit surprising.


How about you ?
Original post by mat7276
It went great for me. The paper was pretty short, 10 questions only. The question on binomial expansion was a bit surprising.


How about you ?


Hey there :smile:

It was a good paper, but the binomial one threw me off - reckon I scored like 1 mark on it :frown: Loved the last q, wby
Reply 3
Original post by FunkyBanana
Hey there :smile:

It was a good paper, but the binomial one threw me off - reckon I scored like 1 mark on it :frown: Loved the last q, wby


I got n=6 for the binomial question.
Do you remember what you got for the arithmetic sequence one ?
Cause I got a quadratic in n for the sum. I got 20 and 61 when I solved it. I picked 20 as the answer.

The x/a+y/b=1 question was also a bit new.
Original post by mat7276
I got n=6 for the binomial question.
Do you remember what you got for the arithmetic sequence one ?
Cause I got a quadratic in n for the sum. I got 20 and 61 when I solved it. I picked 20 as the answer.

The x/a+y/b=1 question was also a bit new.


Yeah the substitution part was confusingWhat are the values you got for a and b??
Reply 5
Original post by Hirusha Madushan
Yeah the substitution part was confusingWhat are the values you got for a and b??


6 and 8 not sure which was which though.
Original post by mat7276
I got n=6 for the binomial question.
Do you remember what you got for the arithmetic sequence one ?
Cause I got a quadratic in n for the sum. I got 20 and 61 when I solved it. I picked 20 as the answer.

The x/a+y/b=1 question was also a bit new.


n=20 ; If 61, then term value would be -100 (impossible)

I'm going to have to retake hahaha, made way too many mistake here lool
Original post by mat7276
6 and 8 not sure which was which though.


Even my mates got 6 and 8 but i got 4 and 2 which was wrong:frown:
Original post by Hirusha Madushan
Even my mates got 6 and 8 but i got 4 and 2 which was wrong:frown:


I got 6 and 8 too ;/
Original post by FunkyBanana
I got 6 and 8 too ;/


What was the date you got for the question regarding the cyclist's?
(edited 7 years ago)
Reply 10
Original post by Hirusha Madushan
What was the date you got for the question regarding the cyclist's?

4th of June I think
It went super well for me :smile: The binomial one was a bit tricky :/ So was the x/a + y/b = 1 one But otherwise good paper :smile:


Original post by mat7276
I got n=6 for the binomial question.
Do you remember what you got for the arithmetic sequence one ?
Cause I got a quadratic in n for the sum. I got 20 and 61 when I solved it. I picked 20 as the answer.

The x/a+y/b=1 question was also a bit new.


I also picked 20 as the answer
What date did you put down?
Reply 12
Original post by StrawbAri
It went super well for me :smile: The binomial one was a bit tricky :/ So was the x/a + y/b = 1 one But otherwise good paper :smile:




I also picked 20 as the answer
What date did you put down?



4th june but maybe I got the date wrong
(edited 7 years ago)
Reply 13
Original post by mat7276
4th june


hello everyone!!!

Well was the first term may 1st or may 15th ?? I can't rememeber
Reply 14
was the result you got fo the binomial expansion q in the second part a fraction ? I got 21/4
Original post by irenee
hello everyone!!!

Well was the first term may 1st or may 15th ?? I can't rememeber


I think it was the first term

What did you put your date as?
For the question they asked to find n
I put it as 20th but I'm not so sure about that anymore
Reply 16
Original post by StrawbAri
I think it was the first term

What did you put your date as?
For the question they asked to find n
I put it as 20th but I'm not so sure about that anymore




I believe i treated may 1st as the first term so I ,as well, put the 20th of may as my answer

gahhh i always have doubts after a test because I can't remember my answers

what did you put in the second part of the binomial expansion?? for the coefficient of x^2 ? I put 21/4
Reply 17
Original post by irenee
I believe i treated may 1st as the first term so I ,as well, put the 20th of may as my answer

gahhh i always have doubts after a test because I can't remember my answers

what did you put in the second part of the binomial expansion?? for the coefficient of x^2 ? I put 21/4


I got -9/4 I think for n=6
Reply 18
Original post by mat7276
I got -9/4 I think for n=6


hmm do you perhaps remember thefirst bracket in the binomial q?
1) for the first ans, ( equation of the curve ) c= -7 2)tan 2x = 3 , x=-54.2 , 35.8 for the other trigonometry , x= 7/12 pie , 11/12 pie 3) for the AP : i) 15th day = 130km ii) on 20th may for the gp i) r = 1/2 , a=16 ii) sum to infinity =30 4) for the binomial, n=6 , coefficient x^2 = 5.25 or 21/4

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