Getal & Ruimte (12e editie) - vwo wiskunde A

'Differentiëren'.

vwo wiskunde A 8.3 Differentiëren

Differentiëren (5)

opgave 1

Differentieer.

2p

a

\(f(p) = 2 p^{2} + 7\)

Machtsfunctie (1)
009w - Differentiëren - basis - basis - 1ms - dynamic variables

a

\(f'(p) = 2 ⋅ 2 ⋅ p^{1} \text{.}\)

1p

\(f'(p) = 4 p \text{.}\)

1p

2p

b

\(f(x) = 7 x^{7} - 4 x^{3} - 3 x\)

Machtsfunctie (2)
009x - Differentiëren - basis - basis - 4ms - dynamic variables

b

\(f'(x) = 7 ⋅ 7 ⋅ x^{6} - 4 ⋅ 3 ⋅ x^{2} - 3 \text{.}\)

1p

\(f'(x) = 49 x^{6} - 12 x^{2} - 3 \text{.}\)

1p

2p

c

\(f(a) = \frac{5}{6} a^{5} + \frac{3}{7} a^{2} + \frac{1}{8} a + \frac{2}{9}\)

Machtsfunctie (3)
009y - Differentiëren - basis - basis - 1ms - dynamic variables

c

\(f'(a) = \frac{5}{6} ⋅ 5 ⋅ a^{4} + \frac{3}{7} ⋅ 2 ⋅ a^{1} + \frac{1}{8} \text{.}\)

1p

\(f'(a) = 4\frac{1}{6} a^{4} + \frac{6}{7} a + \frac{1}{8} \text{.}\)

1p

2p

d

\(f(a) = (9 a^{4} + 3) (a + 1)\)

HaakjesUitwerken (1)
00df - Differentiëren - basis - eind - 0ms - dynamic variables

d

(Haakjes wegwerken)
\(f(a) = (9 a^{4} + 3) (a + 1) = 9 a^{5} + 9 a^{4} + 3 a + 3\)

1p

(Differentiëren)
\(f'(a) = 45 a^{4} + 36 a^{3} + 3 \text{.}\)

1p

opgave 2

Differentieer.

2p

\(f(x) = (4 x^{5} - 3)^{2}\)

HaakjesUitwerken (2)
00dg - Differentiëren - basis - eind - 0ms - dynamic variables

(Haakjes wegwerken)
\(f(x) = (4 x^{5} - 3)^{2} = 16 x^{10} - 24 x^{5} + 9\)

1p

(Differentiëren)
\(f'(x) = 160 x^{9} - 120 x^{4} \text{.}\)

1p

vwo wiskunde A 8.4 Notaties en regels voor de afgeleide

Differentiëren (8)

opgave 1

Differentieer.

3p

a

\(f(x) = {4 \over 5 x^{9}}\)

NegatieveMacht
00de - Differentiëren - basis - basis - 0ms - dynamic variables

a

(Herleiden)
\(f(x) = {4 \over 5 x^{9}} = \frac{4}{5} x^{-9}\)

1p

(Differentiëren)
\(f'(x) = \frac{4}{5} ⋅ -9 ⋅ x^{-10} = -\frac{36}{5} ⋅ x^{-10}\)

1p

(Herleiden)
\(f'(x) = -\frac{36}{5} ⋅ {1 \over x^{10}} = -{36 \over 5 x^{10}}\)

1p

2p

b

\(f(p) = 9 (5 p - 3)^{7}\)

Kettingregel (1)
00dh - Differentiëren - basis - basis - 0ms - dynamic variables

b

(Kettingregel)
\(f'(p) = 9 ⋅ 7 ⋅ (5 p - 3)^{6} ⋅ 5\)

1p

(Herleiden)
\(f'(p) = 315 (5 p - 3)^{6} \text{.}\)

1p

3p

c

\(f(a) = {4 \over (3 a - 5)^{2}}\)

KettingregelMetGebroken
00di - Differentiëren - basis - midden - 1ms - dynamic variables

c

(Herleiden)
\(f(a) = {4 \over (3 a - 5)^{2}} = 4 ⋅ (3 a - 5)^{-2}\)

1p

(Kettingregel)
\(f'(a) = 4 ⋅ -2 ⋅ (3 a - 5)^{-3} ⋅ 3\)

1p

(Herleiden)
\(f'(a) = -24 ⋅ (3 a - 5)^{-3} = -{24 \over (3 a - 5)^{3}}\)

1p

3p

d

\(f(x) = -\frac{5}{8} \sqrt{4 x - 5}\)

KettingregelMetWortel
00dj - Differentiëren - basis - midden - 0ms - dynamic variables

d

(Herleiden)
\(f(x) = -\frac{5}{8} \sqrt{4 x - 5} = -\frac{5}{8} ⋅ (4 x - 5)^{\frac{1}{2}} \text{.}\)

1p

(Kettingregel)
\(f'(x) = -\frac{5}{8} ⋅ \frac{1}{2} ⋅ (4 x - 5)^{-\frac{1}{2}} ⋅ 4\)

1p

(Herleiden)
\(f'(x) = -\frac{5}{4} ⋅ (4 x - 5)^{-\frac{1}{2}} = -{5 \over 4 \sqrt{4 x - 5}}\)

1p

opgave 2

Differentieer.

3p

a

\(f(a) = {9 \over 8 \sqrt{4 a + 2}}\)

KettingregelMetGebrokenWortel
00dk - Differentiëren - basis - eind - 1ms - dynamic variables

a

(Herleiden)
\(f(a) = {9 \over 8 \sqrt{4 a + 2}} = \frac{9}{8} ⋅ (4 a + 2)^{-\frac{1}{2}}\)

1p

(Kettingregel)
\(f'(a) = \frac{9}{8} ⋅ -\frac{1}{2} ⋅ (4 a + 2)^{-1\frac{1}{2}} ⋅ 4\)

1p

(Herleiden)
\(f'(a) = -\frac{9}{4} ⋅ (4 a + 2)^{-1\frac{1}{2}} = -{9 \over 4 (4 a + 2) \sqrt{4 a + 2}}\)

1p

3p

b

\(f(p) = 3 p ⋅ \sqrt[3]{p^{2}}\)

GebrokenMacht
00dl - Differentiëren - basis - basis - 0ms - dynamic variables

b

(Herleiden)
\(f(p) = 3 p ⋅ \sqrt[3]{p^{2}} = 3 ⋅ p^{1} ⋅ p^{\frac{2}{3}} = 3 ⋅ p^{1\frac{2}{3}}\)

1p

(Differentiëren)
\(f'(p) = 3 ⋅ 1\frac{2}{3} ⋅ p^{\frac{2}{3}}\)

1p

(Herleiden)
\(f'(p) = 5 ⋅ p^{0} ⋅ p^{\frac{2}{3}} = 5 ⋅ \sqrt[3]{p^{2}}\)

1p

3p

c

\(f(x) = {7 \over 5 \sqrt{x}} - 7 \sqrt{x}\)

GebrokenWortel
00do - Differentiëren - basis - eind - 0ms - dynamic variables

c

(Herleiden)
\(f(x) = {7 \over 5 \sqrt{x}} - 7 \sqrt{x} = \frac{7}{5} x^{-\frac{1}{2}} - 7 x^{\frac{1}{2}}\)

1p

(Differentiëren)
\(f'(x) = \frac{7}{5} ⋅ -\frac{1}{2} ⋅ x^{-1\frac{1}{2}} - 7 ⋅ \frac{1}{2} ⋅ x^{-\frac{1}{2}}\)

1p

(Herleiden)
\(f'(x) = -{7 \over 10 x \sqrt{x}} - {7 \over 2 \sqrt{x}}\)

1p

2p

d

\(f(x) = 4 (x^{4} + 2 x^{2} + 6 x)^{5}\)

Kettingregel (2)
00j9 - Differentiëren - basis - basis - 0ms - dynamic variables

d

(Kettingregel)
\(f'(x) = 4 ⋅ 5 ⋅ (x^{4} + 2 x^{2} + 6 x)^{4} ⋅ (4 x^{3} + 4 x + 6)\)

1p

(Herleiden)
\(f'(x) = (80 x^{3} + 80 x + 120) ⋅ (x^{4} + 2 x^{2} + 6 x)^{4}\)

1p

vwo wiskunde A 10.5 Groeisnelheid

Differentiëren (1)

opgave 1

Differentieer.

2p

\(f(p) = -3 ⋅ 5^{p + 2}\)

Exponentieel
00j7 - Differentiëren - basis - eind - 2ms - dynamic variables

\(f(p) = -3 ⋅ 5^{p + 2} ⋅ \ln(5) ⋅ 1 = -3 ⋅ 5^{p + 2} ⋅ \ln(5)\)

2p

vwo wiskunde A 14.2 Regels voor de afgeleide

Differentiëren (2)

opgave 1

Differentieer.

2p

a

\(f(a) = {a - 7 \over 3 a - 8}\)

Quotientregel (1)
00a1 - Differentiëren - basis - eind - 1ms - dynamic variables

a

(Quotiëntregel)
\(f'(a) = {(3 a - 8) ⋅ 1 - (a - 7) ⋅ 3 \over (3 a - 8)^{2}} \text{.}\)

1p

\(f'(a) = {(3 a - 8) - (3 a - 21) \over (3 a - 8)^{2}} = {13 \over (3 a - 8)^{2}} \text{.}\)

1p

2p

b

\(f(p) = {-3 p^{2} \over 6 p + 9}\)

Quotientregel (2)
00a2 - Differentiëren - basis - eind - 1ms - dynamic variables

b

(Quotiëntregel)
\(f'(p) = {(6 p + 9) ⋅ -6 p - -3 p^{2} ⋅ 6 \over (6 p + 9)^{2}} \text{.}\)

1p

\(f'(p) = {(-36 p^{2} - 54 p) - -18 p^{2} \over (6 p + 9)^{2}} = {-18 p^{2} - 54 p \over (6 p + 9)^{2}} \text{.}\)

1p

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