Statistiques concernant Révisions : Mathématiques

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Statistiques générales
Statistiques - réponses
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Statistiques générales

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Statistiques - réponses

Questions	Réponses	% Correct
sin(x) ∼	x	67%
x^(1/2)	1/(2x^(1/2))	56%
1/x	-1/x^2	56%
cos(-x) =	cos(x)	56%
sin(-x) =	-sin(x)	56%
1/x^2	-1/x	44%
exp(x) =	1+x+(x^2/2!)+(x^3/3!)+○(x^3)	44%
cos(a+b) =	cos(a)cos(b)-sin(a)sin(b)	44%
cos(a-b) =	cos(a)cos(b)+sin(a)sin(b)	44%
sin(π/2+x) =	cos(x)	44%
cos(π-x) =	-cos(x)	44%
x^n	nx^n-1	44%
sin(π-x) =	sin(x)	44%
cos(π/2-x) =	sin(x)	44%
tan(x) ∼	x	44%
1-cos(x) ∼	x^2/2	44%
x^n	x^(n+1)/(n+1)	44%
lim sin(x)/x =	1	33%
lim exp(x)-1/x =	1	33%
lim ln(1+x)/x =	1	33%
lim 1-cos(x)/x^2 =	1/2	33%
exp(-a) =	1/exp(a)	33%
cos(x) =	1-(x^2/2!)+○(x^3)	33%
1/(1+x) =	1-x+x^2-x^3+○(x^3)	33%
1/(1-x) =	1+x+x^2+x^3+○(x^3)	33%
1/x^(1/2)	2(x^(1/2))	33%
͞z =	a-ib	33%
cos(π+x) =	-cos(x)	33%
sin(x)	cos(x)	33%
exp(a)exp(b) =	exp(a+b)	33%
exp(a)/exp(b) =	exp(a-b)	33%
ln(1/a) =	-ln(a)	33%
ln(a/b) =	ln(a)-ln(b)	33%
ln(ab) =	ln(a)+ln(b)	33%
ln(a^n) =	nln(a)	33%
sin(π+x) =	-sin(x)	33%
cos(x)	-sin(x)	33%
tan(π+x) =	tan(x)	33%
tan(-x) =	-tan(x)	33%
ln(1+x) ∼	x	33%
exp(x) ∼	x	33%
ln(1+x) =	x-(x^2/2)+(x^3/3)+○(x^3)	33%
sin (x) =	x-(x^3/3!)+○(x^3)	33%
a0(f) =	1/T∫f(t)dt	22%
ln(x)	1/x	22%
ch(x) =	1+(x^2/2!)+○(x^3)	22%
	ax+by+c=0	22%
exp(iϴ) =	cos(ϴ)+isin(ϴ)	22%
sin(x)	-cos(x)	22%
exp(a)^n =	exp(na)	22%
exp(x)	exp(x)	22%
Σ k =	n(n+1)/2	22%
cos(x)	sin(x)	22%
sh(x) =	x+(x^^3/3!)+○(x^3)	22%
u·v =	0	11%
bn(f) =	0	11%
an(f) =	0	11%
a0(f) =	0	11%
det(u;v) =	0	11%
det(u,u) =	0	11%
(n;0) =	1	11%
th(x)	1/ch^2(x)	11%
tan(x)	1/cos^2(x)	11%
Σ q^k =	1-q^(n+1)/1-q	11%
	1-sin^2(a)	11%
tan(x)	1+tan^2(x)	11%
th(x)	1-th^2(x)	11%
an(f) =	2/T∫f(t)cos(nωt)dt	11%
a0(f) =	2/T∫f(t)dt	11%
bn(f) =	2/T∫f(t)sin(nωt)dt	11%
an(f) =	4/T∫f(t)cos(nωt)dt	11%
bn(f) =	4/T∫f(t)sin(nωt)dt	11%
͞zz =	a^2+b^2	11%
\|z\| =	(a^2+b^2)^(1/2)	11%
	ax+by+cz+d=0	11%
sh(x)	ch(x)	11%
cos(2a) =	cos^2(a)-sin^2(a)	11%
(cos(ϴ)+isin(ϴ))^n =	cos(nϴ)+isin(nϴ)	11%
det(v,u) =	-det(u,v)	11%
det(λu+μv,w) =	λdet(u,w)+μdet(v,w)	11%
cos(ϴ) =	(exp(iϴ)+exp(-iϴ))/2	11%
sin(ϴ) =	(exp(iϴ)-exp(-iϴ))/2i	11%
ch(x) =	(exp(x)+exp(-x))/2	11%
sh(x) =	(exp(x)-exp(-x))/2	11%
Si f(-x) = -f(x) alors f est	impaire	11%
1/x	ln(x)	11%
(n;1) =	n	11%
Σ q^k =	n+1	11%
(n;p)+(n;p+1) =	(n+1;p+1)	11%
Si f(-x) = f(x) alors f est	paire	11%
z+͞z/2 =	Re(z)	11%
ch(x)	sh(x)	11%
th(x) =	sh(x)/ch(x)	11%
sin(a+b) =	sin(a)cos(b)+sin(b)cos(a)	11%
sin(a-b) =	sin(a)cos(b)-sin(b)cos(a)	11%
tan(a-b) =	(tan(a)-tan(b))/1+tan(a)tan(b)	11%
tan(a+b) =	(tan(a)+tan(b))/1-tan(a)tan(b)	11%
[u,v,w] =	(u∧v)·w	11%
(1+x)^α ∼	αx	11%
	(x-xΩ)^2+(y-yΩ)^2=R^2	11%
tan(x) =	x+(x^3/3)+○(x^3)	11%
	x=xa+αt	11%
u·v =	xx'+yy'	11%
det(u,v) =	xy'+x'y	11%
	y=ya+βt	11%
arctan(x)	1/(1+x^2)	0%
arcsin(x)	1/(1-x^2)^(1/2)	0%
arccos(x)	-1/(1-x^2)^(1/2)	0%
(1+x)^α =	1+αx+((α(α-1)x^2)/2!)+((α(α-1)(α-2)x^3/3!)○(x^3)	0%
	2cos^2(a)-1	0%
sin(2a) =	2sin(a)cos(a)	0%
tan(2a) =	2tan(a)/(1-tan²(a))	0%
1/(1-x^2)^(1/2)	arcsin(x)	0%
1/(1+x^2)	arctan(x)	0%
	ax+by+cz+d=0	0%
	a'x+b'y+c'z+d'=0	0%
sh(x)	ch(x)	0%
	λexp(r1x)+μexp(r2x)	0%
	λexp(r1x)+μexp(r2x)	0%
exp(x)	exp(x)	0%
	exp(αx)(λcos(βx)+μsin(βx))	0%
th(x)	ln\|ch(x)\|	0%
tan(x)	-ln\|cos(x)\|	0%
(n;0) =	(n;n)	0%
(n;1) =	(n;n-1)	0%
(n;p) =	(n;n-p)	0%
ch(x)	sh(x)	0%
1+tan^2(x)	tan(x)	0%
1/cos^2(x)	tan(x)	0%
1-th²(x)	th(x)	0%
1/ch²(x)	th(x)	0%
	(λx+μ)exp(r0x)	0%
	(λx+μ)exp(r0x)	0%
	(x-xΩ)^2+(y-yΩ)^2+(z-zΩ)^2=R^2	0%
	x=xa+αt	0%
	x=xa+αt+α's	0%
	y=ya+βt	0%
	y=ya+βt+β's	0%
	z=za+γt	0%
	z=za+γt+γ's	0%