Mathematics: Post your doubts here!

[Hammad Siddiqi]

AOA..
Hi... Someone plz sovle June 08 P3 (Q8) part (i) and (ii)

 

[kinal]

O/N 2011 V3 number 10, part ii b)
http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w10_qp_33.pdf
http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_w10_ms_33.pdf
Thanks...

well u have posted links of 2010.....m cnfused ...cn u tell again clearly which question[/quote]
sorry made a typing mistake... October/November 2010 Variant 3.Question 10, part ii b

 

[hassam]

having found the factorised form fro p(Z)....just replace all the Zs by Z^2 ,,......it shudnt be a problem now

 

[SUMMERLOV35]

can someone please help with q10 part ii b
please

 

[user]

sorry made a typing mistake... October/November 2010 Variant 3.Question 10, part ii b

having found the factorised form fro p(Z)....just replace all the Zs by Z^2 ,,......it shudnt be a problem now

Aoa wr wb!

yeah just as hassam said...like in the a part..u got

z = -2..

instead of z it's z^2 now
so z^2 = -2

similarly do for the other 2 roots...when u take the square root u obviously get..2 answer

 

[Aqsa Mohd]

how to get my self done wd p3 .. :S

 

[Snowberry]

Can someone help me?

Find the cartesian equations of the plane through (--1,1,2) and (2,0,-1) perpendicular to the plane x+y-2z=1.​

use the two points to obtain a direrction vector in the plane....and usee the given plane equation's normal as another vector in the required plane....cross these two vectors and there u go ....

Can someone please write it? I'm still stuck. What does 'cross these vectors' mean please?

 

[kinal]

than

Aoa wr wb!

yeah just as hassam said...like in the a part..u got

z = -2..

instead of z it's z^2 now
so z^2 = -2

similarly do for the other 2 roots...when u take the square root u obviously get..2 answer

thank you!

 

[Chooi1993]

How to get the initial value for q4 ?​

http://www.xtremepapers.com/CIE/International A And AS Level/9709 - Mathematics/9709_s11_qp_32.pdf​

 

[user]

how to get my self done wd p3 .. :S

aoa wr wb!
solve one paper ...try recent ones..check ur paper from the mark scheme and mark yourself....now make out which topics you werent really sure..revise them thoroughly...
go through your notes for all chapters...solve few more papers....mark urself..if you feel u r unsure about something revise that chapter again

 

[aaakhtar19]

How to get the initial value for q4 ?​

http://www.xtremepapers.com/CIE/International A And AS Level/9709 - Mathematics/9709_s11_qp_32.pdf​

I guess taking any initial value would solve the question I'll recommend to find the answer by calculator
and rounding it off to whole number and then using this as initial value

 

[user]

I guess taking any initial value would solve the question I'll recommend to find the answer by calculator
and rounding it off to whole number and then using this as initial value

smart

 

[Snowberry]

Can someone help me?

Find the cartesian equations of the plane through (--1,1,2) and (2,0,-1) perpendicular to the plane x+y-2z=1.​

use the two points to obtain a direrction vector in the plane....and usee the given plane equation's normal as another vector in the required plane....cross these two vectors and there u go ....

Can someone please write it? I'm still stuck. What does 'cross these vectors' mean please?

 

[user]

Can someone please write it? I'm still stuck. What does 'cross these vectors' mean please?

cross product/vector roduct/cross the vectors..al are the same thing...Check this: Vectors , to find out how to do that...

 

[abdullah12]

Can someone please explain j10 v31 Q9)i)

 

[aaakhtar19]

Can someone please explain j10 v31 Q9)i)

Page 100 same thread post 1990 already solved

 

[leadingguy]

http://www.xtremepapers.com/papers/...AS Level/Mathematics (9709)/9709_s06_qp_3.pdf

http://www.xtremepapers.com/papers/...AS Level/Mathematics (9709)/9709_s06_ms_3.pdf
question 4 part 2

i reached til the eq. 25 < 25cos(θ - 73.74) < 25

can any one help me out by just doing 2 to 3 more steps not the whole question plz

 

[kagome]

Help plz... O/N 2010 32 Q7ii

 

[smzimran]

http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s06_qp_3.pdf

http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s06_ms_3.pdf
question 4 part 2

i reached til the eq. 25 < 25cos(θ - 73.74) < 25

can any one help me out by just doing 2 to 3 more steps not the whole question plz

Why did you reach to this?
This is not an equation, it is an inequality!

25cos(θ - 73.74) = 15
Simply solve this but remember the range is negative also so also take the value of negative (360 - x) in the 4th quadrant

 

[iqraa nadeem]

Hi.. Can someone pls help with nov11/33.q10 =S
here's the link
https://docs.google.com/viewer?a=v&...h5Lf5D&sig=AHIEtbTfFEbI3bmoyd0Wnx3O3bppOVsZ_w