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202,812 results

Khan Academy India - English
Rational functions | Relations and Functions | Grade 11 | Math | Khan Academy

What are rational functions? How do we plot them? What is their domain and range? Let's find out. We break down the definition ...

5:58
Rational functions | Relations and Functions | Grade 11 | Math | Khan Academy

11,673 views

1 year ago

Khan Academy India - English
Introduction to 3D | Introduction to 3D | Grade 11 | Math | Khan Academy

In this video, we try to understand the 3D world a little better. We start by breaking down what we mean by the word 'dimension' in ...

14:42
Introduction to 3D | Introduction to 3D | Grade 11 | Math | Khan Academy

2,033 views

1 year ago

Khan Academy India - English
Modulus function | Relations and Functions | Grade 11 | Math | Khan Academy

What is this mysterious modulus function? How do we define it? How do we plot it? What is its domain and range? Let's find out.

3:47
Modulus function | Relations and Functions | Grade 11 | Math | Khan Academy

20,701 views

1 year ago

Khan Academy India - English
Cartesian product (Set operations) | Relations and Functions | Grade 11 | Math | Khan Academy

In this worked example, we solve a problem involving set operations of cartesian product of sets. We first find intersection and ...

3:51
Cartesian product (Set operations) | Relations and Functions | Grade 11 | Math | Khan Academy

8,037 views

1 year ago

Khan Academy India - English
Image and foot of the perpendicular | Straight lines | Grade 11 | Math | Khan Academy

In this video, we look at some applications in the Physics world of the concepts discussed in this chapter. We look at two scenarios ...

9:03
Image and foot of the perpendicular | Straight lines | Grade 11 | Math | Khan Academy

2,233 views

1 year ago

Khan Academy India - English
Algebra of events | Probability | Grade 11 | Math | Khan Academy

Let's talk about adding and subtracting events. Lets leverage our knowledge from the chapter Sets to find intersection and union of ...

7:16
Algebra of events | Probability | Grade 11 | Math | Khan Academy

1,417 views

1 year ago

Khan Academy India - English
Polynomial function | Relations and Functions | Grade 11 | Math | Khan Academy

What are polynomial functions? How do we draw them? What's their domain and range. Let's find that out in this video. We break ...

7:37
Polynomial function | Relations and Functions | Grade 11 | Math | Khan Academy

12,289 views

1 year ago

Khan Academy India - English
Cartesian product of sets | Relations and Functions | Grade 11 | Math | Khan Academy

What is a Cartesian product? Does it have anything to do with ordered pairs? How do we find the number of elements? And does ...

6:26
Cartesian product of sets | Relations and Functions | Grade 11 | Math | Khan Academy

4,847 views

1 year ago

Khan Academy India - English
What is Geometric mean? | Sequence and Series | Grade 11 | Math | Khan Academy

We know about Arithmetic mean. In this video, we'll also learn about Geometric mean. Both of them are more alike than they look.

8:54
What is Geometric mean? | Sequence and Series | Grade 11 | Math | Khan Academy

4,760 views

1 year ago

Khan Academy India - English
What are relations? | Relations and Functions | Grade 11 | Math | Khan Academy

Using what we know about ordered pairs, and cartesian product of sets, we finally define what a relation is between two sets.

6:37
What are relations? | Relations and Functions | Grade 11 | Math | Khan Academy

5,834 views

1 year ago

Khan Academy India - English
What are Ordered pairs? | Relations and Functions | Grade 11 | Math | Khan Academy

Before we begin the unit, let's discuss an important question - What are ordered pairs? They are pairs of objects put in a specific ...

4:28
What are Ordered pairs? | Relations and Functions | Grade 11 | Math | Khan Academy

7,220 views

1 year ago

Khan Academy India - English
Simple and Compound events | Probability | Grade 11 | Math | Khan Academy

This video will give us another way to classify events - simple and compound. The events that are made up of only one sample ...

5:26
Simple and Compound events | Probability | Grade 11 | Math | Khan Academy

3,230 views

1 year ago

Khan Academy India - English
Approximations using binomial theorem | Binomial Theorem | Grade 11 | Math | Khan Academy

In this video, we use binomial expansion to approximate powers of numbers close to 1. We use (1+x)^n for numbers greater than ...

9:34
Approximations using binomial theorem | Binomial Theorem | Grade 11 | Math | Khan Academy

3,964 views

11 months ago

Khan Academy India - English
Ranking | Permutations and Combinations | Grade 11 | Math | Khan Academy

If all the letters of the word MATH are rearranged and put in a dictionary, what will be the rank of the word MATH? We tackle this ...

8:28
Ranking | Permutations and Combinations | Grade 11 | Math | Khan Academy

1,770 views

1 year ago

Khan Academy India - English
All about Events (overview) | Probability | Grade 11 | Math | Khan Academy

In this video, we'll give an overview of the topic 'Events'. What are they? How do we know when an event has occurred? How do ...

11:17
All about Events (overview) | Probability | Grade 11 | Math | Khan Academy

1,430 views

1 year ago

Khan Academy India - English
Relationship between AM and GM | Sequence and Series | Grade 11 | Math | Khan Academy

What is the relationship between AM and GM? Which one is greater than the other? Let's find out. We first tackle a concrete ...

4:24
Relationship between AM and GM | Sequence and Series | Grade 11 | Math | Khan Academy

1,680 views

1 year ago

Khan Academy India - English
Worked example - Roster to Set builder form | Sets | Grade 11  | Math | Khan Academy

In this video, we do things in reverse. We move sets from Roster to Set builder form. We're given the answers, we're finding the ...

5:20
Worked example - Roster to Set builder form | Sets | Grade 11 | Math | Khan Academy

7,281 views

1 year ago

Khan Academy India - English
Angle between two lines | Straight lines | Grade 11 | Math | Khan Academy

In this video, we derive the formula for the acute angle between two intersecting lines. We first write the angle between them as ...

9:09
Angle between two lines | Straight lines | Grade 11 | Math | Khan Academy

4,682 views

1 year ago

Khan Academy India - English
What are sets? | Sets | Grade 11 | Math | Khan Academy

In this video, we look at a few examples of well-defined lists of objects - which we call sets. We then define what sets are before ...

6:12
What are sets? | Sets | Grade 11 | Math | Khan Academy

19,805 views

1 year ago

Khan Academy India - English
Axiomatic approach to Probability | Probability | Grade 11 | Math | Khan Academy

Let's talk about a beautiful approach to Probability in this video. The axioms mentioned serve as the foundation on which we build ...

10:12
Axiomatic approach to Probability | Probability | Grade 11 | Math | Khan Academy

8,082 views

1 year ago