16.4 Flashcards

1
Q

Los 2^x=7 op.

A

x=2log(7)

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2
Q

Los 2log(x+1)=5 op.

A

x+1=2^5
x= 32-1=31

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3
Q

Als bij een functie met logaritmes de binnenkant gelijk is:

A

Buiten haakjes halen
of
Schaduwvergelijking

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4
Q

g log(a) + g log(b) =

A

g log(a*b)

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5
Q

g log(a) - g log(b) =

A

g log(a/b)

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6
Q

b * g log(a) =

A

g log(a^b)

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7
Q

a log (b) = …
Als je de a wilt veranderen in g.

A

g log(b)/g log(a)

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8
Q

a^b * a^c =

A

a^b+c

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9
Q

a^b/a^c =

A

a^b-c

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10
Q

(a^b)^c =

A

a^b*c

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11
Q

limx→ +/-∞ bij gⁿ
met g >1

A

=> 2ⁿ of eⁿ
- limx→ ∞ gⁿ = ∞
- limx→ -∞ gⁿ= 0

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12
Q

limx→ +/-∞ bij gⁿ
met 0<g <1

A

=> (1/2)ⁿ
- limx→ ∞ gⁿ = 0
- limx→ -∞ gⁿ= ∞

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13
Q

limx→ +/-∞ bij ⁿlog(x)
met g >1

A

=> ln(x)
- limx→∞ ⁿlog(x) = ∞
- limx↓0 ⁿlog(x) = -∞

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14
Q

limx→ +/-∞ bij ⁿlog(x)
met 0<g <1

A

=> ½log(x)
- limx→∞ ⁿlog(x) = -∞
- limx↓0 ⁿlog(x) = ∞

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15
Q

limx →∞

A

rechts
(horizontale asymptoot)

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16
Q

limx → -∞

A

links
(horizontale asymptoot)

17
Q

f(x)=e^x
(afgeleide)

A

f’(x)=e^x

18
Q

f(x) = ln(x)
(afgeleide)

A

f’(x) = 1/x

19
Q

f(x) = g^x
(afgeleide)

A

f’(x) = g^x * ln(g)

20
Q

f(x) = g log(x)
(afgeleide)

A

f’(x) = 1/xln(g)

21
Q

ln(e) =

22
Q

ln(x) =

23
Q

f(x)= g^x
Primitieve

A

F(x)= g^x /ln(g)

24
Q

f(x)= e^ax
Primitieve

A

F(x)= 1/a * e^x

25
f(x)= 1/x Primitieve
F(x)= ln|x|
26
f(x)= g log(x) Primitieve
F(x)= (x*ln(x) - x) /ln(g)
27
f(x)= ln(x) Primitieve
F(x)= x*ln(x) - x