Decided to follow in physicsmaths footsteps and do my own top tips for vectors
Step 1: read the question
Step 2:
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STEP Prep Thread 2016 (Mark. II)
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 941
 13062016 01:05
Post rating:4 
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 942
 13062016 07:18
(Original post by Vesniep)
What if you can't use <=> and the left statements are less general .
That's when I use <= .
Actually I want to ask is it wrong to claim P=>Q when P,Q are equivalent ?
It's kind of tricky because P implies Q so it's true but these symbols refer to what P and Q are to each other and since they are equivalent P=>Q is wrong . Idk if that makes sense, just answer.
Yeah if I can't use I use . 
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 943
 13062016 08:32
Hi, I don't know if its just me or is anyone else having this problem. But for the past week or so, the equations across multiple threads are not displaying, they are instead displaying as an text such as
"displaystyle \begin{equation*} \int \frac{x + 1  1}{1+x} \, \mathrm{d}x = \int 1  \frac{1}{x+1} \, \mathrm{d}x = x  \ln x+1 + \mathcal{C}\end{equation*}"
and a symbol that represents missing image.
Thanks. 
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 944
 13062016 08:49
(Original post by ox2015)
Hi, I don't know if its just me or is anyone else having this problem. But for the past week or so, the equations across multiple threads are not displaying, they are instead displaying as an text such as
"displaystyle \begin{equation*} \int \frac{x + 1  1}{1+x} \, \mathrm{d}x = \int 1  \frac{1}{x+1} \, \mathrm{d}x = x  \ln x+1 + \mathcal{C}\end{equation*}"
and a symbol that represents missing image.
Thanks. 
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 945
 13062016 09:02
Guys for STEP III 1991 Q7 (which is an awesome Q btw) last bit of part (c), is this reasoning ok? I'm not sure it's what they wanted or even if it would get full marks.
sinceLast edited by IrrationalRoot; 13062016 at 09:03. 
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 946
 13062016 10:39
What do A1, M1, B1 etc. mean in the marking schemes?

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 947
 13062016 10:39
STEP ii 2014, Q3,
The last part, how does the sketch looks like? This is what the mark scheme says.
Part (iii) then requires combining the two possible cases from part (ii) to construct a curve whichsatisfies the conditions given. This must be an arc of a circle with no vertical tangents, with straightlines at either end of the arc in the direction of the tangents to the circle at that point.
I think that the two lines have the same gradient and different cutting points and hence they are moving to the same direction as the equation of line in part ii indicates.
I don't know why the mark scheme says that, because if it's like that, then the gradient of the lines are different and cutting points are the same which is different to what is supposed to be the lines in part ii?Last edited by Geraer100; 13062016 at 10:41. 
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 948
 13062016 11:40
Good luck all for STEP I tomorrow!
Post rating:4 
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 949
 13062016 11:56
(Original post by shamika)
Good luck all for STEP I tomorrow! 
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 950
 13062016 12:00
(Original post by Zacken)
...
7. After the exam
This advice will be updated if the 2016 process if different to 2015.
 Do not register for results until 5 days before the exam. This is due to a quirk in the results page, which has caused issues in the past.
 Some browsers, particularly Chrome, don't work well with the results page. The best browsers seem to be IE and Firefox.
... 
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 951
 13062016 12:02
(Original post by Miningstew)
I don't know if this has already been answered, but from the original post, what does the bit in Red mean, i.e. what is this about registering? What do I need to do before the exam? (My school confirmed that they've entered me for STEP 2/3) 
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 952
 13062016 12:03
(Original post by shamika)
Good luck all for STEP I tomorrow!(Original post by Gregorius)
Seconded! 
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 953
 13062016 12:04
(Original post by krishdesai7)
What do A1, M1, B1 etc. mean in the marking schemes? 
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 954
 13062016 12:05
(Original post by ox2015)
Hi, I don't know if its just me or is anyone else having this problem. But for the past week or so, the equations across multiple threads are not displaying, they are instead displaying as an text such as
"displaystyle \begin{equation*} \int \frac{x + 1  1}{1+x} \, \mathrm{d}x = \int 1  \frac{1}{x+1} \, \mathrm{d}x = x  \ln x+1 + \mathcal{C}\end{equation*}"
and a symbol that represents missing image.
Thanks. 
 Follow
 955
 13062016 12:10
I have a few things to check if they are correct to do:
1. As in the front of page of STEP does not specify, I guess that diagrams can be drawn with pencil.
2. (sqroot(x^2))=modulus(x) unless we are sure that x>0, in that case we will write =x.
3. Always write ln(modulus(x)) instead of lnx in step?
4. Use the methods that the questions suggest you unless the word 'otherwise' appears, so we can use other methods and gain marks.
5. Shall we know the area and volumes of sphere and cones,etc?
6. And one silly question, the integral of sinx in the limits pi and pi, without the modulus sign, is it equal to 0 or 4. In other words, shall we split the integrals into 2 halves with limits 0 and pi, and pi and 0.

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 956
 13062016 12:11
(Original post by IrrationalRoot)
Guys for STEP III 1991 Q7 (which is an awesome Q btw) last bit of part (c), is this reasoning ok? I'm not sure it's what they wanted or even if it would get full marks.
since 
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 957
 13062016 12:15
(Original post by Geraer100)
I have a few things to check if they are correct to do:
1. As in the front of page of STEP does not specify, I guess that diagrams can be drawn with pencil.
2. (sqroot(x^2))=modulus(x) unless we are sure that x>0, in that case we will write =x.
3. Always write ln(modulus(x)) instead of lnx in step?
4. Use the methods that the questions suggest you unless the word 'otherwise' appears, so we can use other methods and gain marks.
5. Shall we know the area and volumes of sphere and cones,etc?
6. And one silly question, the integral of sinx in the limits pi and pi, without the modulus sign, is it equal to 0 or 4. In other words, shall we split the integrals into 2 halves with limits 0 and pi, and pi and 0.
2. That's correct.
3. I think in most cases, you write ln x for whatever reason in STEP, the solutions always seem to skim over it. So I wouldn't worry about it too much unless it was obvious that the question was asking about it.
4. That's correct.
5. The basis areas/volumes like triangle/rectangles/trapezium are the only really important ones, maybe volume of a sphere, I've never seen a cone come up (or, I think it has once but they gave the formula for it...? not sure)
6. Well, sin x is an odd function and you're integrating it between an even interval, so it's 0. You should get 0 even if you split it into two integrals. 
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 958
 13062016 12:21
STEP 1 2015 Q3
In this answer:
http://www.thestudentroom.co.uk/atta...5&d=1434482176
Why is tan x = (ba)/(b+a)? 
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 959
 13062016 12:22
(Original post by Zacken)
1. Yes, you can use pencil to draw diagrams.
2. That's correct.
3. I think in most cases, you write ln x for whatever reason in STEP, the solutions always seem to skim over it. So I wouldn't worry about it too much unless it was obvious that the question was asking about it.
4. That's correct.
5. The basis areas/volumes like triangle/rectangles/trapezium are the only really important ones, maybe volume of a sphere, I've never seen a cone come up (or, I think it has once but they gave the formula for it...? not sure)
6. Well, sin x is an odd function and you're integrating it between an even interval, so it's 0. You should get 0 even if you split it into two integrals.
6. Yes my mistakes, one integral  the same integral=0, its because in A level, we used to make that equal to 4 as we are finding the area in C2/C3. So it's confusing. Pd: And by even integral, you mean the the values of limits are a and a?Last edited by Geraer100; 13062016 at 12:28. 
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 960
 13062016 12:26
(Original post by rad058)
STEP 1 2015 Q3
In this answer:
http://www.thestudentroom.co.uk/atta...5&d=1434482176
Why is tan x = (ba)/(b+a)?
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Updated: August 26, 2016
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