Mathematics: Post your doubts here!

[Manobilly]

tomorow it wont be of any use

well cant do anything about it I guess even money wont work A star .

 

[haha101]

it will cost u nearly half a million dollars/euros/pounds in bribe

haha that why i was asking if someone else had it i dont have that kinda money

 

[Sarah22]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_s11_qp_12.pdf
Question- 10 (a)
http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_w11_qp_12.pdf
Question- 3(a)
Please.. Thank You

 

[A star]

well cant do anything about it I guess even money wont work A star .

cant you let a guy make some money

haha that why i was asking if someone else had it i dont have that kinda money

haha xD pay it or forget it xD

 

[haha101]

cant you let a guy make some money


haha xD pay it or forget it xD

Hahaha ! man i thought people here were generous

 

[A star]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_s11_qp_12.pdf
Question- 10 (a)
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w11_qp_12.pdf
Question- 3(a)
Please.. Thank You

3a where dot product =0
10a) idk

 

[GorgeousEyes]

AB = b -a = (k-1 , -k, 2k - 2)

Unit vector = vecter/ magnitude

Therefore, (k-1, -k, 2k-2)/[sqrt] (k-1)^2 + (-k)^2 + ((2k -2)^2
Since they have said that the vector AB is the unit vector, the magnitude would equal 1.
Equate the magnitude you should get the answer.

thanks

 

[Manobilly]

cant you let a guy make some money


haha xD pay it or forget it xD

hahahah sure sure ,but the chance is only if the person is soft hearted and generous enough.

 

[syed1995]

Does anyone have may/june 2013 paper 1 variant 12 with marking scheme ? Please i need it urgently

Count me in as well.

 

[syed1995]

3a where dot product =0
10a) idk

I solved your question .. was piece of cake.

 

[WayneRooney10]

http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w12_qp_11.pdf

Question 10, part (ii). Do give an explanation as well. Thanks.

Anyone?!

 

[A star]

Count me in as well.

u also pay up

 

[haha101]

u also pay up

Your comments seem like you actually have the paper

 

[syed1995]

http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w10_qp_12.pdf

hey has anyone answered this question 7 from this paper cz i forgot if u did can u guyss explain it to me esp the last part or if u have already done that then just tell me where u did that thnx

I would have just left the last part of ques 7. lol seriously.. 1 mark for finding that out? -,-

 

[Alice123]

I would have just left the last part of ques 7. lol seriously.. 1 mark for finding that out? -,-

p1 GTs are high, so a single mark can make difference in your component grades

 

[GorgeousEyes]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_s11_qp_12.pdf
Question- 10 (a)
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w11_qp_12.pdf
Question- 3(a)
Please.. Thank You

Let a =x and the largest --> Last =4x
Un=x+(n-1)xd=4x
nd-d=3x
d(n-1)=3x --> (n-1)=3x/d
S6 = 3(2x+(n-1)d)=360
120=2x+3x/d x d
5x=120
x=24
smallest sector = 5+5+24xpi/180 x5 .

 

[Maz]

Anyone?!

Put in the values given i.e. x<=1 into g(x)
you would get g(x) >= -9

 

[A star]

Your comments seem like you actually have the paper

u wana risk it xD .

 

[syed1995]

p1 GTs are high, so a single mark can make difference in your component grades

Well I'd leave it for the end.. If i have time do it or else it can go

Anyways today will be a rest day for me... Won't solve any questions.. just look at the past papers and grasp how the question is done. Guys just pray that all us get good grades in the upcoming examination.. and whatever comes in the paper is from our knowledge and we can solve it easily and don't find it difficult (especially for the chemistry and physics papers).

May Allah grant us all the grades which we desire and do what's best for us...

 

[A star]

p1 GTs are high, so a single mark can make difference in your component grades

thts y i put my safety marks not at 60 but at 65+ safety mark for p1 and 38 for s1 .