Transcript
Page 1: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

Page 2: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

Page 3: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

curve a o tangent t theof slope themeasures dx

dy

Page 4: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

curve a o tangent t theof slope themeasures dx

dy

increasing is curve the,0 If xf

Page 5: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

curve a o tangent t theof slope themeasures dx

dy

increasing is curve the,0 If xf

decreasing is curve the,0 If xf

Page 6: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

curve a o tangent t theof slope themeasures dx

dy

increasing is curve the,0 If xf

decreasing is curve the,0 If xf

stationary is curve the,0 If xf

Page 7: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

curve a o tangent t theof slope themeasures dx

dy

increasing is curve the,0 If xf

curve sketch the Hence

nature. their determine and

points stationary theof all find ,3 curve For the e.g. 32 xxy

decreasing is curve the,0 If xf

stationary is curve the,0 If xf

Page 8: 11 x1 t10 01 first derivative (2012)

Geometrical Applications

of Differentiation The First Derivative

dx

dyxf

dx

dxfy ,,,

curve a o tangent t theof slope themeasures dx

dy

increasing is curve the,0 If xf

curve sketch the Hence

nature. their determine and

points stationary theof all find ,3 curve For the e.g. 32 xxy

decreasing is curve the,0 If xf

stationary is curve the,0 If xf

236 xxdx

dy

Page 9: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

Page 10: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

Page 11: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

Page 12: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

Page 13: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

Page 14: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

Page 15: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

Page 16: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

Page 17: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0

Page 18: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0

Page 19: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1)

Page 20: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1)

(-9)

Page 21: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9)

Page 22: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

Page 23: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

Page 24: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

Page 25: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

Page 26: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

Page 27: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

Page 28: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2

Page 29: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2 2

Page 30: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2 2(1)

Page 31: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2 2(1)

(3)

Page 32: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2 2(1) (3)

(3)

Page 33: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2 2(1) (3)

(3) (-9)

Page 34: 11 x1 t10 01 first derivative (2012)

0 occur when points Stationary dx

dy

036 .. 2 xxei

2or 0

023

xx

xx

2,4 and 0,0at occur points stationary

0,0

x

dx

dy

0

0

0 0(-1) (1)

(-9) (3)

point turningminimum a is 0,0

2,4

x

dx

dy

2

0

2 2(1) (3)

(3) (-9)

point turningmaximum a is 2,4

Page 35: 11 x1 t10 01 first derivative (2012)

x

y

Page 36: 11 x1 t10 01 first derivative (2012)

x

y

Page 37: 11 x1 t10 01 first derivative (2012)

x

y

2,4

Page 38: 11 x1 t10 01 first derivative (2012)

x

y

2,4

323 xxy

Page 39: 11 x1 t10 01 first derivative (2012)

Exercise 10A; 1, 2ace, 4, 5, 6ac, 7, 8, 9ace etc,

11, 12, 13, 15ace, 16, 17

Exercise 10B; 1ad, 2ac, 3ac, 5, 6, 7ac, 8, 10, 12


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