Question

using column method 24 find square​

Answer 1

Answer:

ANSWER

Here, a=3 and b=7

Step 1: Make 3 columns and write the values of a  

2

,2×a×b and b  

2

 in these columns.

Column I Column II  Column III  

a  

2

 2×a×b  b  

2

 

9 42  49

Step 2: Underline the unit digit of b  

2

 (in Column III ) and add its tens digit, if any, with 2×a×b ( in column II )

Column I Column II   Column III

a  

2

 2×a×b  b  

2

 

9+4 42+4  4  

9

​  

 

13 46    

Step 3: Underline the unit digit in Column II and add the number formed by the tens and other digits if any, with a  

2

 in Column I. Under line number in column I.

Column I  Column II  Column III

a  

2

  2×a×b  b

9+4  42+4  4  

9

​  

 

 

13

​  

  4  

6

​  

   

Step 4: Write the underline digits at the bottom of each column to obtain the square of the given number.

In this case, we have:

37  

2

=1369

Using multiplication :

37×37=1369

This matches with the result obtained the column method.

THIS IS FOR 37 BTW GO THROUGH IT AND YOU CAN ANSWER UR QUESTION

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