SPECIALIST MATHEMATIC 2009 EXAM ONE

[littlecherry25]

How did everyone go ?
I thought it wasn't hard
Just had to think a little bit
But yeah
Anyone know where you can get the answers?

[bloodboy]

to those who didnt evaluate k f our lives

[Damo17]

I was surprised not to see a 'sketch the graph' or  'somewhat' difficult complex number question like last year. In my opinion, it was an easy exam similar to 06/07.

[unknown12]

What did dy/dx = for that question?

[GerrySly]

Uber mind blank on the first 2 questions as well as cos(2x) question

Otherwise it seemed easy enough

[GerrySly]

What did dy/dx = for that question?

[ayu]

exam was fairly straight forward.
i know i lost one mark already, cos couldn't change it since time went out.
but ah well. it was good.
Q3 for me took sooooo long. in the end it was something simple...=_= damn u brain!

[Thurlz]

Was surprised with the exam and how I went. Overall quite happy.
Mass mind blank on cos2x one too, as well as vectors and the acceleration/velocity one for some reason
Three of the few questions in the exam that were worth 3-4 marks. :buck2:

[vcestudy123]

answers anyone

[Damo17]

Uber mind blank on the first 2 questions as well as cos(2x) question

Otherwise it seemed easy enough

lol, I had a massive mind blank when trying to do: . I did end up splitting into partial fractions at the end but the lady did not give us warning for pens down, so I didn't rush it and didn't have time to simplify to the answer. So what really?, 1 mark is nothing.

[RexPP]

Uber mind blank on the first 2 questions as well as cos(2x) question

Otherwise it seemed easy enough

Same here re: the first and fourth questions, was kicking myself when I realised after walking out that q1 was essentially a quadratic. Still don't get q4 though. I'm fairly confident that I got everything else right though, so I'm probably looking at around 30-33/40. What does everything think that will get? B+?

EDIT: I am pretty sure that cos(2x) was q4? In any case, that's what I'm referring to.

[hyperblade01]

is

So you had to find those two first

[unknown12]

So did dy/dx = -8?

[sachinmachin]

I am pretty sure that cos(2x) was q4? In any case, that's what I'm referring to.

yeh u had to use double angle formula to find sin(x) and cos(x). i used 1 - 2sin^2(x) and 2cos^2(x) - 1 to find these values.

[littlecherry25]

for the question before the Euler's method
it said write y as a function of x
does that mean
y = x
or x = y

and shit for the last question i was confident
and then i realised that the question asked for integars
and i left a 1/4 in the thing
i totally didn't think of it until after the exam ><