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168,096 results

Sayak (IIT Kharagpur) - Smart Choices After 12th
How I Scored 97 in Class 12 Maths Without NCERT.

You don’t need to study the whole syllabus to score 95+ in Class 12 Maths — you just need to be smart. Here’s exactly how I’d ...

9:15
How I Scored 97 in Class 12 Maths Without NCERT.

806 views

3 months ago

Khan Academy India - English
Minors and cofactors | Determinants | Grade 12 | Math | Khan Academy

In this video, we learn how to find minors and cofactors corresponding to the elements of a determinant. We start off with minors ...

7:30
Minors and cofactors | Determinants | Grade 12 | Math | Khan Academy

5,667 views

9 months ago

Khan Academy India - English
Equation of a line in space | 3D Geometry | Grade 12 | Math | Khan Academy

In this video, we learn how to find the equation of a line in 3D. We first look at the vector form - where it comes from and how to find ...

10:02
Equation of a line in space | 3D Geometry | Grade 12 | Math | Khan Academy

3,170 views

9 months ago

Khan Academy India - English
Types of vectors in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we realise that if the vectors are not free, then even if they have the same magnitude and direction, they may not be ...

9:14
Types of vectors in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

930 views

10 months ago

Khan Academy India - English
Symmetric and skew symmetric matrices | Matrices | Grade 12 | Math | Khan Academy

In this video, we talk about symmetric and skew symmetric matrices. We first look at examples of each and then understand the ...

7:48
Symmetric and skew symmetric matrices | Matrices | Grade 12 | Math | Khan Academy

5,103 views

9 months ago

Khan Academy India - English
Adjoint of a matrix | Determinants | Grade 12 | Math | Khan Academy

In this video, we learn how to find the adjoint of a given matrix. We first find minors corresponding to each element. From the set of ...

4:07
Adjoint of a matrix | Determinants | Grade 12 | Math | Khan Academy

5,990 views

9 months ago

Khan Academy India - English
Angle between two lines | 3D Geometry | Grade 12 | Math | Khan Academy

In this video, we learn how to find the angle between two lines in 3D. We first understand how to do this when the vector forms are ...

7:42
Angle between two lines | 3D Geometry | Grade 12 | Math | Khan Academy

3,548 views

9 months ago

Khan Academy India - English
Distance between skew lines (intuition) | 3D Geometry | Grade 12 | Math | Khan Academy

In this beautiful video, we first look at the 3D animation of 2 skew lines and try to get a feel of the minimum distance between them.

8:12
Distance between skew lines (intuition) | 3D Geometry | Grade 12 | Math | Khan Academy

11,543 views

9 months ago

Khan Academy India - English
Components of a vector in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we talk about the components of a vector in 3D. For reference, we use unit vectors along x, y, and z axes and ...

8:49
Components of a vector in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

728 views

10 months ago

Khan Academy India - English
Section formula in 3D (Derivation) | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we derive the section formula for vectors for both internal and external division. We leverage the concept of ...

7:23
Section formula in 3D (Derivation) | Vector Algebra | Grade 12 | Math | Khan Academy

3,981 views

10 months ago

Khan Academy India - English
Projection of a vector | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we discuss the concept of projection. We try to find the projection of a given vector on another. We then apply what ...

8:38
Projection of a vector | Vector Algebra | Grade 12 | Math | Khan Academy

3,884 views

10 months ago

Khan Academy India - English
Dot product of vectors in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we familiarise ourselves with the formula for dot product of vectors. We look at a few scenarios and special cases.

9:48
Dot product of vectors in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

2,067 views

10 months ago

Vimbue
Class 12 Maths Relations and Function

Description an initiative from www.Vimbue.com.

11:51
Class 12 Maths Relations and Function

1,867 views

11 years ago

Khan Academy India - English
Cross product of unit vectors | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we familiarise ourselves with the formula for cross product of vectors. We look at a few scenarios and special cases.

6:06
Cross product of unit vectors | Vector Algebra | Grade 12 | Math | Khan Academy

1,795 views

10 months ago

Khan Academy India - English
Cauchy-Schwartz and Triangle inequality of vectors | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we discuss inequalities of multiplication and addition of vectors. Cauchy-Schwartz inequality says that the magnitude ...

10:30
Cauchy-Schwartz and Triangle inequality of vectors | Vector Algebra | Grade 12 | Math | Khan Academy

2,691 views

10 months ago

Khan Academy India - English
Properties of transpose of the matrices | Matrices | Grade 12 | Math | Khan Academy

In this video, we learn about the properties of a transpose of a matrix. We first look at the properties and then dive deeper to ...

9:39
Properties of transpose of the matrices | Matrices | Grade 12 | Math | Khan Academy

2,355 views

9 months ago

Khan Academy India - English
Magnitude and direction of position vectors in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

In this video, we look at ways to find the magnitude and direction of position vectors. We derive the formula for the magnitude of a ...

9:34
Magnitude and direction of position vectors in 3D | Vector Algebra | Grade 12 | Math | Khan Academy

1,185 views

10 months ago

Khan Academy India - English
Algebra of continuous functions | Cont. and diff. | Grade 12 | Math | Khan Academy

In this video, we'll cover algebra of continuous functions. Just like we could do things in the world of limits, we can add, subtract, ...

7:07
Algebra of continuous functions | Cont. and diff. | Grade 12 | Math | Khan Academy

724 views

10 months ago

Khan Academy India - English
Marginal cost and marginal revenue | Application of derivatives | Grade 12 | Math | Khan Academy

In this video, we look at an application of derivatives in the world of Economics. We're given the equations for total cost and total ...

7:45
Marginal cost and marginal revenue | Application of derivatives | Grade 12 | Math | Khan Academy

686 views

10 months ago

rootmath
Introduction to Vectors

http://www.rootmath.org | Linear Algebra This will be a basic introduction to vectors. Vectors communicate 2 pieces of information, ...

6:59
Introduction to Vectors

637,203 views

14 years ago

Khan Academy India - English
Direction of a line in 3D | 3D Geometry | Grade 12 | Math | Khan Academy

In this video, we'll look at ways to find direction ratios of a line in 3D. We first understand what they are and how they related to ...

9:14
Direction of a line in 3D | 3D Geometry | Grade 12 | Math | Khan Academy

1,627 views

9 months ago

Khan Academy India - English
Equality of matrices | Matrices | Grade 12 | Math | Khan Academy

In this video, we learn about equality of matrices. We first understand when can we compare two matrices (when their order is ...

7:54
Equality of matrices | Matrices | Grade 12 | Math | Khan Academy

1,975 views

9 months ago

Khan Academy India - English
Distance between parallel lines (intuition) | 3D Geometry | Grade 12 | Math | Khan Academy

In this video, we learn how to find the distance between two parallel lines in 3D. We first derive the formula to get the distance ...

5:44
Distance between parallel lines (intuition) | 3D Geometry | Grade 12 | Math | Khan Academy

4,851 views

9 months ago

Code Switching 2020
GRADE 12 MATHEMATICS GENERAL SOLUTION NO 1

Codeswitching grade 12 general solution trig questions. Video link https://youtu.be/yDJFcAm0eDQ.

10:42
GRADE 12 MATHEMATICS GENERAL SOLUTION NO 1

257 views

5 years ago

Bresnahan Math
lesson 12 homework module 3 grade 2

The source for the homework pages is the full module PDF at this address: ...

4:20
lesson 12 homework module 3 grade 2

54,611 views

8 years ago