Matt Del C Flashcards

1
Q

Sned asymptot

A

Först:
Lim x—> +|- ♾️ f(x)/x

Sedan:
Lim x—> +|- ♾️ (f(x)-kx)

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2
Q

Lodrät asymptot

A

Lim x—> +|- ♾️

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3
Q

Kritiska punkter

A

f’(x)=0

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4
Q

Inflexionspunkt

A

f”(x)=0

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5
Q

Konvex

A

f”(x)>0

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6
Q

Konkav

A

f”(x)<0

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7
Q

Tangentens ekvation

A

y-f(a)=f’(a)(x-a)

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8
Q

Normalens ekvation

A

y-f(a)=-1/(f’(a))(x-a)

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9
Q

Volymen för rotationskropp kring y-axeln

A

V= 2pi〰️x*f(x)dx

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10
Q

f(D)=Sqrt(x)

A

f’(x)=1/(2*sqrt(x))

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11
Q

f(D)=lnx

A

f’(x)=1/x

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12
Q

f(D)=sin x

A

f’(x)=cos x

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13
Q

f(D)= cos x

A

f’(x)= - sinx

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14
Q

f(D)=tan x

A

f’(x)=1+tan^2x=1/(cos^2*x)

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15
Q

f(D)=arcsin x

A

f’(x)=1/(sqrt(1-x^2))

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16
Q

f(D)=arccos x

A

f’(x)=-1/sqrt(1-x^2)

17
Q

f(D)=arctan x

A

f’(x)=1/(1+x^2)

18
Q

f(I)=1/(x-a)

A

F(x)=ln|x-a|

19
Q

f(I)=sin x

A

F(x)=-cos x + C

20
Q

f(I)=cos x

A

F(x)= sin x + C

21
Q

f(I)= sin kx

A

F(x)= -(cos*kx)/k + C

22
Q

f(I)= 1/(1+x^2)

A

F(x)=arctan x +C

23
Q

f(I)=e^kx

A

F(x)=(e^(kx))/k + C

24
Q

f(I)=1/(sqrt(1-x^2))

A

F(x)=arcsin x + C

25
Q

f(xI)=ln x

A

F(x)= x*lnx -x + C

26
Q

Rotationskroppars volym, roterar kring x-axeln

A

V=pi*(b)〰️(a)[f(x)]^2

27
Q

Volymen av rotationskroppen som roterar krig y-axeln

A

(b)〰️(a)2pixf(x)

28
Q

Integralen av en rationell funktion

A

Täljaren högre grad:
T(x)/N(x)=K(x)+R(x)/N(x)

Nämnaren högre grad:
Partialbråksuppdela,
A +Bx+C osv…

29
Q

Udda funktion med symmetriskt intervall [a,-a]

A

〰️=0

30
Q

f(I)=tan(x)

A

F(x)=-ln|cosx|

31
Q

f(I)=x^(-1)

A

F(x)=ln|x|

32
Q

f(I)=1/(x^2)

A

F(x)=-1/x

33
Q

För att ta reda på C

A

Få fram en graf kolla när den skär för olika y värden

34
Q

f”(x)=2

A

Är hela funktionen konvex och det saknas inflextionspunkt

35
Q

Intergrale av 1/(x^2+a^2) dx

A

=1/a*arctan(x/a)

36
Q

Avståndsfoeln

A

d=sqrt((x2-x1)^2+(y2-y1)^2)