5a Differentiation Flashcards

1
Q

xn

A

n xn-1

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2
Q

[f(x)]n

Chain Rule

A

n [f(x)]n-1 f’(x)

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3
Q

f(x)g(x)

Product Rule

A

f’(x)g(x) + f(x)g’(x)

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4
Q

f(x)/ g(x)

Quotient Rule

A

[f’(x)g(x) - f(x)g’(x)]/ g2(x)

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5
Q

dx/dy

A

1/ (dy/dx)

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6
Q

ex

A

ex

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7
Q

ef(x)

A

ef(x) f’(x)

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8
Q

ln x

A

1/x

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9
Q

ln[(f(x)], f(x) > 0

A

[1/f(x)] f’(x) = f’(x)/ f(x)

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10
Q

sin x

A

cos x

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11
Q

sin[f(x)]

A

cos[f(x)] f’(x)

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12
Q

sinn[f(x)]

A

n [sin(f(x))]n-1 [cos f(x)] f’(x)

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13
Q

cos x

A

-sin x

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14
Q

cos[f(x)]

A

-sin[f(x)] f’(x)

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15
Q

cosn[f(x)]

A

n [cos(f(x))]n-1 [-sin f(x)] f’(x)

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16
Q

tan x

A

sec2x

17
Q

tan[f(x)]

A

sec2[f(x)] f’(x)

18
Q

tann[f(x)]

A

n [tan(f(x))]n-1 [sec2 f(x)] f’(x)

19
Q

cotan x

A

-cosec2(x)

20
Q

cotan[f(x)]

A

-cosec2[f(x)] f’(x)

21
Q

Implicit Differentiation

A
  • Apply Chain Rule to every term especially if differentiating y!
  • Look out for Product Rule!
22
Q

Parametric Equation

A
  1. Find Cartesian Equation by making t the subject in either equation and doing substitution.
  2. Find dy/dx using Rate of Change equation.