1 of 104

12M06

Applications of Derivatives

2 of 104

1 2 3 4 5

5

4

3

2

1

X

Y

Time (s) ⟶

S ↑

(m)

Minimum = ??

Maximum = ??

 

 

Equation = ??

Velocity ??

 

3 of 104

4 of 104

12M06.1

Rate of Change of Quantities

5 of 104

12M06.1 - Rate of Change of Quantities

Learninig Objectives

What is Rate of Change

How to calculate Rate of Change

Finding Rate of change using Chain Rule

5

6 of 104

12M06.0 – Revision

  •  

6

 

 

 

 

 

 

7 of 104

Recall Test

8 of 104

 

9 of 104

 

10 of 104

11 of 104

12M06.1

CV 1

What is Rate of Change

12 of 104

 

f

 

 

 

 

 

Displacement

 

 

 

 

Independent

Dependent

 

 

 

 

 

13 of 104

14 of 104

12M06.1

CV 2

How to Calculate Rate of Change

15 of 104

Time (s) ⟶

S ↑

(m)

X

Y

1 2 3 4 5

5

4

3

2

1

 

Average Rate of Change

 

 

 

 

 

 

16 of 104

 

 

 

 

1 2 3 4 5

5

4

3

2

1

X

Y

Time (s) ⟶

 

 

 

 

 

 

 

S ↑

(m)

 

Velocity ??

Instantaneous Rate of Change

 

 

17 of 104

18 of 104

PSV 01

19 of 104

 

Given

Asked

Known

-

 

 

20 of 104

 

What is

Given

What is Asked

What do we

Know

-

 

 

 

21 of 104

22 of 104

Did you Know?

  •  

 

23 of 104

PSV 02

24 of 104

Given

Asked

Known

 

 

 

 

 

 

25 of 104

 

What is Given

Asked

Know

 

 

 

 

 

What is

What do we

26 of 104

27 of 104

12M06.1

CV 3

Finding Rate of change using Chain Rule

28 of 104

Chain Rule

 

 

 

 

 

 

 

29 of 104

30 of 104

PSV 03

31 of 104

 

 

Given

Asked

Known

 

 

 

 

 

 

 

32 of 104

33 of 104

 

Given

Asked

Known

 

 

 

 

 

 

34 of 104

PSV 04

35 of 104

 

 

 

 

 

 

 

36 of 104

 

Given

Asked

Known

 

 

 

37 of 104

 

Given

Asked

Known

 

 

 

38 of 104

39 of 104

ConcepTest

Ready for Challenge

40 of 104

 

Given

Asked

Known

 

 

 

 

 

41 of 104

 

 

 

 

 

 

42 of 104

 

Given

Asked

Known

 

 

 

 

 

43 of 104

12M06.1 – Rate of Change of Quantities

Reference Questions

NCERT : 2, 3, 5, 6, 8, 9, 10, 11, 12, 13, 16, 17, 18

Work Book : 5, 9, 13, 16, 17

44 of 104

12M06.2 – Increasing and Decreasing Functions

Reference Questions

NCERT : 2, 3, 4, 6, 8, 9, 10, 11, 12, 13, 15, 17, 19

Work Book : 1, 3, 6, 10, 15

45 of 104

12M06.3 – Tangents and Normals

Reference Questions

NCERT : 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20,

22, 23, 25, 26

Work Book : 4, 8, 11

46 of 104

12M06.4 – Approximations

Reference Questions

NCERT : 1, 2, 3, 4, 7, 9

47 of 104

12M06.5 – Maxima and Minima

Reference Questions

NCERT : 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 19, 20, 21, 22, 23,

24, 25, 26, 27, 28, 29

Work Book : 2, 7, 12, 14, 18, 19, 20

48 of 104

49 of 104

12M06.2

Increasing and Decreasing Functions

50 of 104

12M06.2 – Increasing and Decreasing Functions

Learninig Objectives

Increasing and Strictly Increasing Functions

Decreasing and Strictly Decreasing Functions

Conditions for Increasing and Decreasing Functions

50

51 of 104

12M06.2

CV 1

Increasing and Strictly Increasing Functions

52 of 104

 

 

 

 

 

 

 

 

Increasing

 

Increasing

Strictly

 

 

 

 

 

 

 

 

 

53 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54 of 104

55 of 104

12M06.2

CV 2

Decreasing and Strictly Decreasing Functions

56 of 104

 

 

 

 

 

 

Decreasing

 

Decreasing

Strictly

 

 

 

 

 

 

 

 

 

 

 

57 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

58 of 104

59 of 104

 

 

Neither Increasing nor Decreasing Functions

 

 

 

 

 

 

Increasing

 

 

 

 

 

 

Decreasing

Increasing

Neither Increasing nor Decreasing Function

60 of 104

Increasing Functions

Strictly Increasing Functions

Decreasing Functions

Strictly Decreasing Functions

Neither Increasing nor Decreasing Functions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61 of 104

62 of 104

12M06.2

CV 3

Conditions for Increasing and Decreasing Function

63 of 104

  •  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

64 of 104

  •  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mean Value Theorem

 

 

 

Increasing

 

Decreasing

 

Constant

 

 

 

 

 

 

 

 

 

 

 

Increasing

 

Decreasing

 

Constant

 

Strictly Increasing

 

Strictly Decreasing

 

 

 

At a Point

In an Interval

65 of 104

66 of 104

 

 

67 of 104

PSV 05

68 of 104

 

 

 

Taking LCM

 

 

 

 

69 of 104

 

 

 

 

Taking LCM

 

 

 

 

 

 

 

70 of 104

PSV 06

71 of 104

 

 

72 of 104

PSV 07

73 of 104

 

  1. Increasing
  1. Decreasing

 

 

 

 

 

 

 

 

 

 

 

74 of 104

ConcepTest

Ready for Challenge

75 of 104

 

 

 

 

 

 

 

 

76 of 104

77 of 104

12M06.3

Tangents and Normals

78 of 104

12M06.3 – Tangents and Normals

Learninig Objectives

Finding Equation of Tangent

Finding Equation of Normal

78

79 of 104

Did You Know ?

Slope

Fixed Point

O

P

Tangent

Normal

Special Cases for Two Lines

Equation of a Straight Line

 

Perpendicular

Parallel

 

 

 

 

 

 

 

80 of 104

12M06.3

CV 1

Finding Equation of Tangent

81 of 104

 

 

 

 

 

 

 

 

 

 

 

82 of 104

12M06.3

CV 2

Finding Slope of Tangent

83 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

84 of 104

 

Sol.

 

 

 

 

Slope

 

85 of 104

12M06.3

CV 3

Equation of Tangent

86 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

87 of 104

 

Sol.

 

 

 

 

 

 

 

 

88 of 104

PSV 08

89 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90 of 104

 

Sol.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

91 of 104

12M06.3

CV 4

Finding Slope of Normal

92 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

93 of 104

 

Sol.

 

 

 

 

 

 

94 of 104

12M06.3

CV 5

Finding Equation of Normal

95 of 104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

96 of 104

 

 

 

 

 

 

 

 

 

 

 

 

Equation of Tangent

Equation of Normal

Slope of Normal

Slope of Tangent

97 of 104

PSV 09

98 of 104

 

 

 

 

 

 

 

 

 

99 of 104

 

Sol.

 

Equation of normal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100 of 104

PSV 10

101 of 104

 

Sol.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

102 of 104

ConcepTest

Ready for Challenge

103 of 104

 

Pause the Video

(Time Duration : 05 minutes)

 

104 of 104

 

Sol.