Crazy Mathematics

Crazy Mathematics It is a common misconception among students that mathematics is full of crazy formulas and that it's

New Year, New Video! Let's start 2021 with another topic for , , Solving Arithmetic Mean.
08/01/2021

New Year, New Video! Let's start 2021 with another topic for , , Solving Arithmetic Mean.

22/12/2020

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Learning how to solve quadratic equations fast and easy. It's important to learn these concepts because quadratic equati...
19/12/2020

Learning how to solve quadratic equations fast and easy. It's important to learn these concepts because quadratic equations are useful beyond state boards and for various competitive exams ( where they are high yield and easy scoring), they are also useful in other ways like:
1. If you have thrown a ball, and you want to know the path of projectile.
2. When a rocket is fired upwards, path of the rocket is defined by quadratic equation.
3. shapes of satellite dishes, orbits of celestial objects are defined by quadratic equations
4. When you apply breaks to a vehicle, it's stopping distance can be calculated by using quadratic equation.

Let's continue and learn a very topic for , and for competitive exams - Solving equations in a simple way. In ...
16/12/2020

Let's continue and learn a very topic for , and for competitive exams - Solving equations in a simple way. In this video, you can learn :
1. Basics of a quadratic equation
2. Different ways of solving a quadratic equation with factorization, completing squares and with quadratic formula.

Let's continue . As a part of our youtube series on coordinate geometry, Sridevi Peketi has covered how to find out coo...
14/12/2020

Let's continue . As a part of our youtube series on coordinate geometry, Sridevi Peketi has covered how to find out coordinates for centroid of triangle. Follow our Youtube channel (link in bio) for more details on coordinate geometry and other mathematics topics. DM for more information.

11/12/2020


23 X 27 = 621
a. Multiply unit digit numbers. In this example, they are 3 and 7. so 3 X 7 = 21
b. Multiply ten's digit with it's successor integer. In this example ten's digit number is 2, and it's succeeding integer is 3. So let's multiply 2 and 3. 2 X 3 = 6.
c. now write ten's digit product (b) followed by unit's digit product (a) which gives us. 23 X 27 = 621.
This rule is applied when.,
i) sum of unit's digit is ten
ii) ten's digit has same number.

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