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Mathematics: Post your doubts here!

Esme

Esme

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I only wasnt able to find the B coordinates.
but i guess i'l get marks for A coordinates and for own answer.
but yea it was difficult compared to previous papers but i complted the whole paper on time.

I hope the grade thresholds are low !!
 
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R

Rabb94

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XPFMember said:
Assalamoalaikum!

Good news for you all!! :Yahoo!:

Stuck somewhere in Maths?? Post your queries here and destined007 (others are also welcome! ;) ) will answer it at the earliest, InshaAllah! 8)

P.S. I'm busy these days, so I can't promise to be there for help. I've done P1, M1, S1 so far and will be starting P3 in a couple of days, InshaAllah!

May Allah give us all success in this world as well as the HereAfter...Aameen!! :)

And oh yeah, let me put up some links for A level Maths Notes here.

Check this out! - Nice website, with video tutorials!

My P1 Notes! - Only few chapters available at the moment!

Maths Notes by destined007

Some Notes for P1 and P3 - shared by hamidali391

A LEVEL MATHS TOPIC WISE NOTES

MATHS A LEVEL LECTURES

compiled pastpapers p3 and p4 - by haseebriaz

Permutations and Combinations (my explanation)- P6

Permutations and Combinations - P6

Vectors - P3

Complex No. max/min IzI and arg(z) - P3

Sketcing Argand Diagrams - P3 (click to download..shared by ffaadyy)

Range of a function. - P1

Jazak Allah Khair!
mathy..
Click to expand...


assalam o alaikum

thanx this is helpful.
I have doubt in question 9 of May/June 2010 in 9709/31. Actually I wasn't able to solve it. can someone plzzzz tell me how to do it??
 
H

hassam

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welll theres a much easier and quick way wherevery u see radicals as here........just take square on both sides ....then employ either logarithmic differentiation or implicit differentiation.....its going to make the algebra hell easier
 
2

2pac

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Hey guys,could anyone of you help me with q6 part ii of oct 2008 p3.I remember a member had taught me the fundamentals of this topic but that was with cos,this however has sin and after numerous attempts,I still can't seem to get the answer.
thanks
 
S

SUMMERLOV35

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2pac said:
Hey guys,could anyone of you help me with q6 part ii of oct 2008 p3.I remember a member had taught me the fundamentals of this topic but that was with cos,this however has sin and after numerous attempts,I still can't seem to get the answer.
thanks
Click to expand...

see did you get the answer from part (i) its 13sin(x+67.38)
so you do 13sin(x+67.38)=11
sin(x+67.38)=11/13
angle=57.38
2x+67.38=122.2 from 180-57.38
2x=122.2-67.38
x=27.4
other one is 360+57.38=417.8
x=175.2
 
J

junaidaftab

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Solve the following question:

10 The number of birds of a certain species in a forested region is recorded over several years. At time
t years, the number of birds is N, where N is treated as a continuous variable. The variation in the
number of birds is modelled by
dN
dt
=
N(1800 − N)
3600
.
It is given that N = 300 when t = 0.
(i) Find an expression for N in terms of t. [9]

I can't seem to decompose the fraction into its partial fractions correctly.
 
A

aksameerkhan27

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O/N 2005-(7)-P3
M/J 2007-(8)-P3
M/j 2008-(5)-P3
Plz help in complex numbers. Any important clue also hints/tips in finding/solving locus. Plz urgent .
 
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