Summary

Summary Aqa A Level Further Mathematics Year 1 Notes

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Module
AQA Further Maths A Level First Year Topics

Institution
AQA

First Year notes of a past AQA A Level Further Maths student, were incredibly useful to facilitate getting an A* in AQA Further Maths in 2024. Includes all first year topics of AQA further maths, including mechanics and statistics, cohesive and includes both notes and example questions. Studying ma...

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, ARGAND DIAGRAMS

3
modulus of z
S IM

2 =
1 + 2i
i=

2 = X +
i

yi
= -
1 (5 4i)(3 2i)
+ - =
15-10i
=

:
15 +

23 + 2 ;
+

2i
12i
+ 8
+ (-2x4xxF)

x
=
+
yz Re
argument of z = O = COMPLEX CONJUGATES
ππ
tan() O yi
S
= 2 =
x+

↳
when multiplied ,

I- yi a real
*
2 =
x -

get number
&
Cartesian form modulus form ①
↑

rationalising denominator
yi
z
2= x + z= r(c0SO + isinG)
X = rCOSO make one

s
rsinO simultaneous equations
~
complex
=
y
number the same

I
g
angle between
rector S in both equations &
Subtract
10 : & positive real

S
V
axis Xi x3 x (Iti)

2
A

~
radians
L

T =
1800 degreese radians
(2 22) (2 112a)
arg(2 zi) arga argee
=
,
= + . .

3600
.

2π =

arg() =
argz ,
-arge (i) = *
*
·

90
°=
=
50 radians

LOCK S

Perpendicular HALF LINES arg(2-2) =
distance between
2= x +
yi 2, =
X+ yi 12-2 ) ,
e
fixed point
>
fixed point variable point
& variable point bisector arg(x yi 2) = + -

circles 12-al-ra= centre r= radius
z = x+ yi 12-4) =
12- 2i) distancefram 24 arg(2-ao arg((x 2) + yi) = -

(2 (2 +3i)) (x + (y2)i)
same dis from ze Zi tano tan =
((x 4) yi)
↓
-
= 5 -
+ =

tan
22

3i)
2
5
(x + yi (x 4) + y2
,
Zi =
-
2 -
= 5 -
= x + (y 2)2
-
X

O
-----
y
=
53x 25
((x 2) (y 3)i) 5 4
-

-
+ - =
-
8x + 16 =
4y +4 3/2
Circle centre 1T/
2x 3 3 X2
(X 2) + (y 3)" y
-

25 (2, 3) radius 5
= -

- -
=
,
(2 0,

&

, 3x2 2x + 4 4x" 1(x 26x

g
+ 15x = 0
=2
-
- -

axi + bx + C
p q + if f(z) = 0
has roots pag
roots p q 1 + 2i factor f(z )
*
,
X = is a . then =
G
p +q = find pi + g2
pq
= find cubic a
: X = 1-2i is a factor
polynomial with roof
·
.

=
.

pq
·

(p + q) p + q2-2pq =
3 & 4+ i (X -(1 2i))(x + -
(1 -

zi)
ax + bx d
roots =
3 , 4+ , 4-i
i
+ (x +
X X(l + zi) X(l 2i) + 5
(3)2 2(5) E B 2
:

i)
- -
-

(x 3)(x (4 + i))(x (4
= -
=
roots p g r
-

-
- -

X2 - 2x + 5 -> complex quadratic factor
-
, ,

p + q+ r= (x 3)(x2 8x + 17)
find
+
-

4x2 3x quadratic factor
-

real
·

- -

pq gr + +
pr = x2 2x+ 5 4x" 1(x + 26x2- 15x
X (lx 4(x 51

&
=
+ -

-
-
-

par = ·

+= 4x" 8x3 + 20x3
-

6x

3
0 3x + 15x

G
- -

ax" + bx (x + dx 6x2 15X
=

3x*
ROOTS OF
+ + e -
+ -

4/5

i
·
roots p g , r, S
,
& g O
p + q + r+s = POLYNOMIALS

.
2
x(x2 - 2x + 5)(4x 3) 3
=

=

↓
-

pa + pr + ps + gr + qs +s
-
X(4x 3)(X (1 2i))(x (1 + (i)
=

TRANSFORMING
- -

=
- -

par +
pqs +
prs + srq EQUATIONS
parse 3x3 x-
+ 2x + 5 =
0
: roots =
1 + 2i , 1-2i ,
0 ,
34
has roots p g ,r
(a + bi)(a bi)
,

a + b2 =
-

find cubic equation with roots (p-2) (G-2) , ,
(r-2)
METHOD 2
p + q+ r = 5x2 + bx + c = 0
p 2 +
q 2 +r z p + g+ r 6 METHOD
-
=
1
- -
-

has root 4 + 7 :
=
- -

6 =

7= X p q r =
, ,
find b & C
2 r 2
u p z g
-
-
-
= , ,

4 + Ti
pa + gr + rp
=

= (p 2)(q 2) (q 2)(r z)
- -
+ -
-
+ (r z)(p
-

2)
-

u +2 =
p q , ,
w
roots =
,
4-7i

=
pq + gr + rp -

4(p + a + r) + 12 3(u + 2) -

(u + 2)2 + 2(u + 2) +5 =
0
4 + Ti +
=-
4 Ti -

8: b 40
= 4(5) 3 7
=
= -

+ 12 = =
= 3u3 + 1742 + 344 + 29 =
0
(4 + Ti)(4 Ti) -

=
par = (p-2)(q 2) (r -2) -

=
par-2(pa + ar +
rp) -
8
a 3 b =1 34d =
2 16
--
=

: -

2(z) -
8 = =
:
3x + 17x + 34x + 29 65 =
5 c 325 =

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