formules maths

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Last updated 9:50 AM on 5/9/26
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49 Terms

1
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SA (rec)
u(n+1)=u(n)+r
2
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SA (exp)
u(n)=u(0)+rn
3
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SA (exp) (up)
u(n)=u(p)+r(n-p)
4
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SA (somme)
n*[(u(o)+u(n+1))/2]
5
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SG (rec)
u(n+1)=u(n)*q
6
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SG (exp)
u(n)=u(0)*q**n
7
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SG (exp) (up)
u(n)=u(p)*q**(n-p)
8
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SG (somme)
u(0)*[(1-q**n)/(1-q)]
9
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SAG
v(n) / v'n+1) / v(n) / v(0) / u(n)
10
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partie de E
2**n
11
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k-uplets
ordre / rep = n**k
12
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arrangements
ordre / pas rep = (n!)/(n-k)!
13
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permutation
n parmis n = n!
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combinaison
pas ordre / pas rep = n!/[(n-k)!(k!)]
15
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proba totale
p(b) = p(a inter b) + p(a barre inter b)
16
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proba condit
pa(b) = p(a inter b)/p(a)
17
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indep
p(a inter b) = p(a)*p(b)
18
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loi binomiale
p(x=k) = (k parmis n)*p**k*(1-p)**(n-k)
19
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esp x
somme des xi*pi
20
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esp ax
a esp x
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esp x (binom)
n*p
22
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esp ax+b
a esp ax+b
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esp x+y
esp x + esp y
24
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esp sn
n esp x
25
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esp mn
esp x
26
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var x
esp x² - esp x ²
27
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var ax
a² * var x
28
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var x (binom)
np(1-p)
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var ax+b
a² * var x
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var x+y
var x + var y
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var sn
n var x
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var mn
var x / n
33
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sigm
racine var x
34
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sigm sn
racine n * sigm x
35
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sigm mn
sigm x / racine n
36
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tgt
y = f'a (x_a) + fa
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croissance compa
e^x > x^n > ln
38
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lim e +
inf +
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lim e -
0
40
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lim ln +
inf +
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lim ln -
inf -
42
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AH
y = a
43
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AV
x = b
44
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AO
y = mx+p
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integ
prim b - prim a
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integ a + b
integ a + integ b
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integ a*f(x)
a integ f(x)
48
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integ par part
integ uv' = prim uv - integ u'v
49
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val moy
1/(b-a) * integ fx