Find the square of the $12$ using column method.

Given: A number $12$.

To do: To find the square of $12$ using column method.

Solution:

$a^2=1$	$2ab=4$	$b^2=4$
Hundred's digit$=1+0(carry)=\underline{1}$	Ten's digit$=4+0(carry)=\underline{4}$ and carry$=0$	Unit's digit$=\underline{4}$ and carry$=0$
$1$	$4$	$4$

Thus, square of $12=144$

Tutorialspoint

Updated on: 10-Oct-2022

19 Views

Get certified by completing the course

Get Started