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Cross Multiplication and Foot of Perpendicular

Lesson 18 of 40 • 149 upvotes • 11:17mins

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Vineet Loomba

This lesson explains the concept of cross multiplication in 3 d geometry and finding foot of perpendicular using section formula

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1

Introduction - Types of Vectors (in Hindi)

12:53mins

2

Algebra of Vectors (in Hindi)

11:01mins

3

Components of Vectors (in Hindi)

11:04mins

4

Section Formula for Vectors (in Hindi)

11:03mins

5

Dot / Scalar Product of Vectors (in Hindi)

10:48mins

6

Properties of Scaler Product

11:41mins

7

Condition of Perpendicularity

13:09mins

8

Important Examples on Scaler Product

12:04mins

9

Cross Product of Vectors

10:58mins

10

Cross Product Part-2

11:23mins

11

Cross Product of Vectors (Part-3)

10:44mins

12

Scaler Triple Product of Vectors (Part-1)

10:33mins

13

Scaler Triple Product (Part-2)

11:01mins

14

Scaler Triple Product (Part -3)

10:16mins

15

Scaler Triple Product (Part-4)

10:03mins

16

3-D Geometry Direction Ratios and Direction Cosines

11:34mins

17

Angle between two lines and Examples

11:43mins

18

Cross Multiplication and Foot of Perpendicular

11:17mins

19

Diagonals of a Cube

9:55mins

20

Equation of Straight Lines in 3D Geometry

11:51mins

21

Two Point Form of a Straight Line

10:41mins

22

Image of a Point and Foot of Perpendicular

11:42mins

23

Angle Between two Lines

10:15mins

24

Shortest Distance between two lines and Distance between Parallel Lines

11:22mins

25

Normal form of a Plane

11:18mins

26

Examples on Normal Form

10:13mins

27

Image of Point in a Plane

10:19mins

28

Equation of Plane in Different Forms

11:22mins

29

Vector Triple Product (V.T.P)

10:02mins

30

Distance of a point from a Plane

10:17mins

31

Distance between Parallel Planes | Intercept Form of Plane

10:37mins

32

Family of Planes

10:15mins

33

Angle Between Two Planes

9:30mins

34

Angle between Line and Plane

10:01mins

35

Coplanarity of 2 Lines and Equation of Plane

10:36mins

36

Scaler Product of 4 Vectors

12:03mins

37

Important Proofs Using Vectors for Class 12 Board Exams (Part-1)

10:02mins

38

Important Proofs Using Vectors (Part-2)

11:31mins

39

Important Proofs Using Vectors (Part-3)

10:06mins

40

Angle Bisectors of 2 Lines in 3-D

11:38mins

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