Question

DATE
Find the square of 27 by column method ​

Answer 1

Answer:

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Answer 2

Answer:

Hope it helps you;

Step-by-step explanation

Firstly,we say 2 as x and 7 as y.

Make three columns:- Column 1, Column 2 and Column 3.

In column 1, write x square

In column 2, write 2xy

In column 3, write y square

After that, you have write in column 1:- 2square=4 ,In column 2:- 2×2×7=28 and In column 3:- 7 square=49

After that, we have to start from the last column that is column 3. We have to write 9 in the last line then take the 4 to the column 2 and add 4 to 28 and we get the answer that is 32 after that again write the 2 in the last line and take the 3 to the column 1. After that add 3 to 4 and we get the answer 7. After that write the 7 in the last line. After that write 7 2 and 9 together like this- 729.

So, 729 is of 27.

Thank you guys