Mathematics: Post your doubts here!

[nightrider1993]

Thank you very much

No problem..glad i could help

 

[panda222]

So u get it, right?

Yep. thanks for your concern though.

 

[Amy Bloom]

Help!

 

[Beca1206]

DO u have the answer sheet for may/june 2012 paper 1 and 4?

 

[parthrocks]

DO u have the answer sheet for may/june 2012 paper 1 and 4?

Answer sheet/marking schemes for all the maths 9709 papers!!!select urs!!!
grade thresholds are also attached!!!
took a lot of time though!!bt just for you!!!

 

[Beca1206]

Answer sheet/marking schemes for all the maths 9709 papers!!!select urs!!!
grade thresholds are also attached!!!
took a lot of time though!!bt just for you!!!

thanks so much!

 

[parthrocks]

thanks so much!

like it!!!as many like as u can!!

 

[shanky631]

View attachment 15034
Anwer to Q4 (i). Hope dis answers it

thanks dude. u are great!!!

 

[Minato112]

Help!
View attachment 15045

Both numbers?

 

[parthrocks]

plzz sum one solve my doubt!!!!urgently require the solution!!!i spent hal an hour for this sum!!!i know its toooo much bt dnt know.....

 

[Minato112]

plzz sum one solve my doubt!!!!urgently require the solution!!!i spent hal an hour for this sum!!!i know its toooo much bt dnt know.....

Which part?

 

[parthrocks]

Which part?

(iii)

 

[Evana]

Okay hey! I am not sure about how this works lol but anyways umm i have a silly doubt in this paper http://www.xtremepapers.com/papers/...AS Level/Mathematics (9709)/9709_w03_qp_1.pdf
Question 6, part 1, i dont get how to show that answer, like i get 20/r - 2r and not 20/r - 2
Can some one help me here, Thanks

 

[iKhaled]

Okay hey! I am not sure about how this works lol but anyways umm i have a silly doubt in this paper http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w03_qp_1.pdf
Question 6, part 1, i dont get how to show that answer, like i get 20/r - 2r and not 20/r - 2
Can some one help me here, Thanks

ok, here is the answer..

the perimeter = 2r + rθ
20 = 2r + rθ
20 = r ( 2 + θ )
20/r = 2 + θ
20/r - 2 = θ

i hope you this helped u understand it.

 

[nightrider1993]

Okay hey! I am not sure about how this works lol but anyways umm i have a silly doubt in this paper http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w03_qp_1.pdf
Question 6, part 1, i dont get how to show that answer, like i get 20/r - 2r and not 20/r - 2
Can some one help me here, Thanks

 

[nightrider1993]

plzz sum one solve my doubt!!!!urgently require the solution!!!i spent hal an hour for this sum!!!i know its toooo much bt dnt know.....

Hope this answers it

 

[nightrider1993]

Help!
View attachment 15045

Q1

Hope this anwsers it

 

[parthrocks]

hello anyone what will be the derivative of
what will be the derivative of f"(x) anyone!!!!
nightrider1993
leadingguy

 

[parthrocks]

can sumbody solve this fast!!1


can sumbody help me with the second part first i have done!!!how to do second one
i got partial fractions like
A = 1

C = 8
B=4

and then partial fractions will be
1/(2x+1) + 4/(x-2) + 8/(x-2)^2


now the question is how to do the second part binomially expand????tried it bt a mistake somewhere!!!help
nightrider1993
leadingguy
smzimran

 

[leadingguy]

hello anyone what will be the derivative of
what will be the derivative of f"(x) anyone!!!!
nightrider1993
leadingguy