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Maths Paper 42 2013

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As we all know, this paper will be very difficult due to the lack of hard questions in paper 2.
So the topics that are probably going to come are:
- Transformations
- Trigonometry, Mensuration..etc
- Matrices
- Inequalities and so on
Make sure you study those.

PS. Since it's probably going to be hard, does a total of 175/200 get an A*?
We don't know until they have marked everyone's paper (That took variant 22 as well) It depends on the general performance. Last year 176/200 was A* in variant 2, So aim for 180 to be safe. Good luck
 
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We don't know until they have marked everyone's paper (That took variant 22 as well) It depends on the general performance. Last year 176/200 was A* in variant 2, So aim for 180 to be safe. Good luck
Great, thanks a lot!
Do you think 180 would probably guarantee an A*?
 
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As we all know, this paper will be very difficult due to the lack of hard questions in paper 2.
So the topics that are probably going to come are:
- Transformations
- Trigonometry, Mensuration..etc
- Matrices
- Inequalities and so on
Make sure you study those.

PS. Since it's probably going to be hard, does a total of 175/200 get an A*?
why do all people say that paper 4 will be hard...all iam saying is according to the pastpapers......if paper 2 is easy paper 4 is also easy its on an equal level.....and i have to say no matter how hard our paper will get..there have been harder papers
 
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9ai) (6\8)*(5\7)*(4\6)=(5\14) this is because if you take one of white the no. of white buttons decreases by one and the total decreases by one too

ii) blue and white and white or white and blue and white or white and white and blue
so
gif.latex


bi)there are 25 buttons x are blue
try to find the probability of getting 2 blue buttons
the probability of getting 2 blue is in the question
write it in terms of x like this:
gif.latex

gif.latex

gif.latex

gif.latex


ii)factorise to get (x+6)(x-7)
iii)x=-6 and x=7
iv)25-7= 18 because there cant be a negative number of blue buttons use 7 instead of -6
ALL THE BEST:)
 
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Can you be more specific about each letter in this formula and the whole formula and I didn't really understand the "if 1 or 2 diff. same" so could you please be more specific with one or two examples from the past paper 4 :D
d= the difference.
a = the first no. in the sequence.
c=the common difference (in the 2nd formula)
Hope it helps.................:)
 
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