Dwandwa Yoga - Two Digit Number


Square With Dwandwa Yoga - Concepts
Class - 6th ISO Subjects
 
 
Concept Explanation
 

Dwandwa Yoga - Two Digit Number

Square Of Two Digit Number Using Dwandwa Yoga Method: This method is used to find the square of a number.As we know that in various competitive exam calculations take a lot of time. To avoid this we can use various Vedic Maths Techniques.

Find Square of 27

Find Square of 27

Step 1: Multiply the digits at the unit place of the number. This is known as Straight Multiplication

Result 1 = 7 X 7 = 49

The digit at the unit place of the Result 1 is the digit at the unit place in the Answer and the remaining goes to the carry

Answer 9

Carry is 4

Step 2:  Multiply the digit at the unit place with the digit at the tens place This is known as Cross Multiplication. Then add the carry (If Any)

Result 2 = 2 X  7 + 7 X 2 + 4 = 28 + 4 = 32

The digit at the unit place of the Result 2 is prefixed in the Answer and the remaining goes to the Carry

Answer: 29

Carry:  3

Step 3: Multiply the digits at the tens place of the number. This is known as Straight Multiplication

Result 3 = 2 X 2 + 3 = 4 + 3= 7

The Result 3 is prefixed in the answer.

Answer: 729

 

 
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