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unofficial mark scheme for fp2 please

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park:
anyone can produce unofficial mark scheme for fp2 june 2010 please.
thanks

SMMmmm:
i need this too..anyways how was ur exam??????
for me FP2 has always been the toughest and with so less question papers to practice it turned out to be more tough....

T.Q:
no exam discussion , until 24 hrs pass exam time


and i will try to post an unofficial MS soon

T.Q:
FP2 unofficial MS

note : some answers may be wrong



1)
a) Show that
b) 0.00301

2)
a)
Line x=3
Circle, centre, 3,4 radius 5.
b)
Intersects line at 3+9i and 3-i

3)
a)
Cant remember
b)
4096
c)
r = 4th root 16 = 2
4theta = 2/3pi + 2kpi
theta = 1/6pi + 2kpi

+- (root(3) + i)
+- (1 - root(3)i)

4)
|(30 - 6w) / w| = |30 / w|
|30 - 6w| = |30|

let w = x + iy
|30 - 6x - 6iy| = |30|
(5-x)^2 + y^2 = 5^2
(x-5)^2 + y^2 = 5^2

5
a)
sin(3theta) = 0.5
3theta = 5/6pi, 1/6pi
theta = 5/18pi, 1/18pi

b)
Can't remember the exact value but its approximately 0.5 I think.


6
a)
Critical values -5, -3, -2
Value testing to give
-5>x>-3 or x>-2

b)
x>-2 only

7)
a)
Show that
b)
Don't really rember but something like,
y = (1/2 tan(2theta) + c^2cos(theta)^2
I think

8
a)
lambda = 3/10
b)
y = Acos(5theta) + (B+0.3x)sin(5theta)
c)
y = (1+0.3x)sin(5theta)
d)
Oscilating wave, period 0.4pi, increasing by the same amount each oscilation

SMMmmm:
thanks....any idea when the official mark schemes will be released???

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