7
Pn
i=
ai a 1 +a 2 +::::+an
f functionf
f:x 7 !yfis a function under whichxis mapped toy
f(x) the image ofxunder the functionf
f¡^1 the inverse function of the functionf
g±f,gf the composite function offandg
lim
x!a
f(x) the limit off(x)asxtends toa
dy
dx
the derivative ofywith respect tox
d^2 y
dx^2
the second derivative ofywith respect tox
f^0 (x) the derivative off(x)with respect tox
f^00 (x) the second derivative off(x)with respect tox
R
ydx the indefinite integral ofywith respect tox
Rb
aydx the definite integral ofywith respect toxfor values ofxbetweenaandb
e base of natural logarithms
ex exponential function ofx
lgx logarithm ofxto base 10
lnx natural logarithm ofx
logax logarithm to the baseaofx
sin,cos,tan,
cosec,sec,cot
the circular functions
A(x,y) the point A in the plane with Cartesian coordinatesxandy
AB
8
<
:
the line segment with endpoints A and B
the distance from A to B
the line containing points A and B
Ab the angle at A
CABb the angle between CA and AB
4 ABC the triangle whose vertices are A, B, and C
a the vectora
¡!
AB the vector represented in magnitude and direction by the directed line segment
from A to B
jaj the magnitude of vectora
j
¡!
ABj the magnitude of
¡!
AB
i,j unit vectors in the directions of the Cartesian coordinate axes
M a matrixM
M¡^1 the inverse of the square matrixM
detM the determinant of the square matrixM
IGCSE
cyan magenta yellow black
(^05255075950525507595)
100 100
(^05255075950525507595)
100 100
Y:\HAESE\CAM4037\CamAdd_00\007CamAdd_00.cdr Friday, 31 January 2014 2:46:05 PM BRIAN