Add Math Formula
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2 ALGEBRA 1 x = −b± √ b 2 −4 ac 2 a 8 log a b = log c b log c a 2 a m x a n = a m + n 9 Tn = a + (n -1)d 3 a m ¿ a n = a m – n 10 Sn = 4 ( a m ) n = a m n 11 Tn = 5 log a mn =log a m+log a n 12 6 log a m n =log a m−log a n 13 7 log a m n = n log a m CALCULUS 1 y=uv, dy dx =u dv dx +v du dx 4 Area under a curve= = 2 y= u v , dy dx = v du dx −u dv dx v 2 3 dy dx = dy du × du dx 5 Volume generated = or = GEOMETRY 1 Distance = 4 Area of a triangle = 2 Midpoint = ( x 1 + x 2 2 , y 1 +y 2 2 ) 5. | r ~ |= √ x 2 + y 2 3 A point dividing a segment of a line (x , y ) = ( nx 1 +mx 2 m+n , ny 1 +my 2 m+n ) 6 r ~ ^ ¿ = xi ~ + yj ~ √ x 2 + y 2 ¿ S4/ Final Year Exam /Additional Maths (Paper 1)/2010
Transcript of Add Math Formula
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ALGEBRA
1 x =
−b±√b2−4ac2a 8
logab =logc b
logc a
2 am x an = a m + n 9 Tn = a + (n -1)d
3 am ¿ an = a m – n
10 Sn =
4 ( am )n = a m n11 Tn =
5 log amn=logam+loga n12
6 log a
mn
= logam−logan13
7 log a mn = n log a m
CALCULUS
1 y=uv ,
dydx
=udvdx
+vdudx
4 Area under a curve=
= 2 y=
uv
, dydx
=v
dudx
−udvdx
v2
3
dydx
=dydu
×dudx
5 Volume generated
= or
=
GEOMETRY
1 Distance =
4 Area of a triangle
=
2 Midpoint = (x1+x2
2,
y1+ y2
2 )5.
|r~| = √x2 + y2
3 A point dividing a segment of a line
(x , y ) = (nx1+mx2
m+n,
ny1+my2
m+n ) 6 r~
¿
=x i
~+ y j
~
√x2+ y2¿
S4/ Final Year Exam /Additional Maths (Paper 1)/2010
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STATISTICS
1 x = Σx
N 8
2 x = Σ fx
Σ f 9
3 σ = √ Σ ( x− x )2
N= √ Σx2
N− x2 10
4 σ = √ Σ f ( x− x )2
Σ f= √ Σ fx2
Σ f− x2
11 P(X = r) =
5
m = L + ( 12
N−F
f m) C 12 Mean =
6 13
7 I =
Σ W i I i
Σ W i 14
TRIGONOMETRY
1 Arc length, s =r8
2 Area of a sector, 9
3 . 10
4 11
5 12
6 sin 2A = 2 sin A cos A 13
7 cos 2A =
=
= 14 Area of triangle =
S4/ Final Year Exam /Additional Maths (Paper 1)/2010
